{"id":7494,"date":"2026-11-12T17:43:19","date_gmt":"2026-11-12T09:43:19","guid":{"rendered":"https:\/\/www.metal-domes.com\/blog\/?p=7494"},"modified":"2026-11-12T17:48:39","modified_gmt":"2026-11-12T09:48:39","slug":"anti-stacking-metal-domes","status":"publish","type":"post","link":"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/","title":{"rendered":"Anti Stacking Metal Domes: How Can You Stop Nesting Before Placement?"},"content":{"rendered":"<div class=\"yzp-no-index\"><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#What_Are_Anti-Stacking_Metal_Domes\" title=\"What Are Anti-Stacking Metal Domes?\">What Are Anti-Stacking Metal Domes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#Why_Do_Loose_Metal_Domes_Nest\" title=\"Why Do Loose Metal Domes Nest?\">Why Do Loose Metal Domes Nest?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#How_Can_Dome_Geometry_Reduce_Nesting\" title=\"How Can Dome Geometry Reduce Nesting?\">How Can Dome Geometry Reduce Nesting?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#Can_Packaging_Prevent_Nested_Pickup_Without_a_New_Dome_Design\" title=\"Can Packaging Prevent Nested Pickup Without a New Dome Design?\">Can Packaging Prevent Nested Pickup Without a New Dome Design?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#Bulk_Domes_vs_Tape-and-Reel_vs_Dome_Arrays\" title=\"Bulk Domes vs Tape-and-Reel vs Dome Arrays\">Bulk Domes vs Tape-and-Reel vs Dome Arrays<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#How_Can_You_Detect_Two_Domes_Before_Placement\" title=\"How Can You Detect Two Domes Before Placement?\">How Can You Detect Two Domes Before Placement?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#What_Should_a_Feeder_Trial_Prove\" title=\"What Should a Feeder Trial Prove?\">What Should a Feeder Trial Prove?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#Which_Dome_Details_Must_the_Drawing_Control\" title=\"Which Dome Details Must the Drawing Control?\">Which Dome Details Must the Drawing Control?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#How_Do_You_Verify_One_Dome_Reaches_Each_Contact_Pad\" title=\"How Do You Verify One Dome Reaches Each Contact Pad?\">How Do You Verify One Dome Reaches Each Contact Pad?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#What_Should_Be_Tested_on_the_Assembled_Switch\" title=\"What Should Be Tested on the Assembled Switch?\">What Should Be Tested on the Assembled Switch?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#Are_Intentional_Stacked_Metal_Domes_a_Placement_Defect\" title=\"Are Intentional Stacked Metal Domes a Placement Defect?\">Are Intentional Stacked Metal Domes a Placement Defect?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#What_Do_We_Need_to_Review_an_Anti-Nesting_Application\" title=\"What Do We Need to Review an Anti-Nesting Application?\">What Do We Need to Review an Anti-Nesting Application?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/#Anti-Stacking_Metal_Dome_FAQs\" title=\"Anti-Stacking Metal Dome FAQs\">Anti-Stacking Metal Dome FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n\n\n<p><a href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/\">Anti stacking metal domes<\/a> are selected to keep thin snap domes from nesting or sticking together before a single part reaches each switch position. The risk can be addressed in two different ways: a dome design that separates adjacent parts, or a supply format that presents them individually. Neither choice should be accepted from a product name alone; the actual package, pickup method and assembled-switch test must show that one dome, not a hidden pair, reaches the circuit.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-hero.jpg\" alt=\"Four-leg metal dome in a carrier pocket beside a reel, with the article title\" width=\"600\" height=\"400\" class=\"wp-image-7490\" srcset=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-hero.jpg 600w, https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-hero-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_Anti-Stacking_Metal_Domes\"><\/span>What Are Anti-Stacking Metal Domes?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>The term describes a dome and handling objective, not one universal metal-dome specification. When loose domes share a similar shallow profile, one can sit inside another. A pickup tool may lift the pair as if it were one part. The result is accidental double dome placement at one key and possibly a missing dome at another.<\/p>\n\n\n<p>Some dome profiles are shaped to keep neighboring parts apart. Separately, single-pocket reels, single-key adhesive units and pre-positioned arrays can separate ordinary domes before assembly. These are different solutions to the same pickup problem. For our <a href=\"https:\/\/www.metal-domes.com\/product-photos\/four-legs-metal-dome.htm\">four-leg metal domes<\/a>, compare the exact shell profile and part sample in the intended package; the number of legs by itself cannot tell you how readily two pieces will separate.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Do_Loose_Metal_Domes_Nest\"><\/span>Why Do Loose Metal Domes Nest?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Two thin shells can overlap when their crowns and outer contours fit closely. In a bulk pile, vibration and repeated handling can bring compatible faces together. A top-view inspection may still show only one circular outline. The problem is not that all domes are defective; it is that the supply and pickup sequence has not made a single part count observable.<\/p>\n\n\n<p>Suspect nesting when a loose-part pickup occasionally carries an unexpectedly thick edge, when two parts separate at the nozzle, or when a placed key sits higher than adjacent keys. Those observations are reasons to stop and inspect. They are not a substitute for checking the exact dome and assembly stack.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-loose-dome.jpg\" alt=\"Real four-leg loose metal dome showing its shallow shell and contact legs\" width=\"600\" height=\"400\" class=\"wp-image-7491\" srcset=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-loose-dome.jpg 600w, https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-loose-dome-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Can_Dome_Geometry_Reduce_Nesting\"><\/span>How Can Dome Geometry Reduce Nesting?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>An anti-nesting geometry has to maintain some separation between adjacent domes while they are stored and fed. A feature that prevents full surface-to-surface seating can make two parts easier to separate, but its effect depends on the particular shell profile, orientation and packaging. It also must preserve the intended actuation force, travel, return and electrical contact.<\/p>\n\n\n<p>A controlled gap between neighboring shells is one possible design approach, but its geometry must be assessed on the actual part. Place two samples in the orientation in which they meet in the package, then lift the upper part with the intended tool or nozzle. Does the second dome follow it? Repeat after normal package handling and check that the candidate still meets its specified force, travel, return and contact behavior. A profile description alone cannot answer these questions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_Packaging_Prevent_Nested_Pickup_Without_a_New_Dome_Design\"><\/span>Can Packaging Prevent Nested Pickup Without a New Dome Design?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Yes. Packaging can isolate each otherwise standard dome before the pickup operation. Our <a href=\"https:\/\/www.metal-domes.com\/packing\/tape-n-reel-metal-dome.htm\">tape-and-reel format<\/a> holds individual domes in carrier pockets for pick-and-place equipment. A <a href=\"https:\/\/www.metal-domes.com\/product\/single-key-dome-array.htm\">single-key dome array<\/a> places one dome on a kiss-cut adhesive unit, while a <a href=\"https:\/\/www.metal-domes.com\/product\/dome-array-custom.htm\">custom dome array<\/a> prepositions several specified domes on one carrier.<\/p>\n\n\n<p>Packaging changes the error opportunity, but it does not excuse an unchecked setup. The operator or machine still needs to confirm the correct part, one occupied pocket or unit per expected position, release behavior and placement orientation. A reel-compatible dome is not automatically solderable; our standard metal dome packing page specifically separates automated placement from soldering suitability.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-reel.jpg\" alt=\"Blue reel and carrier-tape pocket packaging for metal domes\" width=\"600\" height=\"400\" class=\"wp-image-7492\" srcset=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-reel.jpg 600w, https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-reel-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bulk_Domes_vs_Tape-and-Reel_vs_Dome_Arrays\"><\/span>Bulk Domes vs Tape-and-Reel vs Dome Arrays<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Supply method<\/th><th>Single-part presentation<\/th><th>What still needs verification<\/th><\/tr><\/thead><tbody><tr><td>Loose bulk domes<\/td><td>Not controlled by the package<\/td><td>Separate parts at pickup; inspect the edge and count<\/td><\/tr><tr><td>Tape-and-reel<\/td><td>One intended dome per carrier pocket<\/td><td>Pocket fill, pickup release, orientation and feeder setup<\/td><\/tr><tr><td>Single-key adhesive unit<\/td><td>One dome already positioned on one unit<\/td><td>Correct unit, liner release and alignment to the pad<\/td><\/tr><tr><td>Custom dome array<\/td><td>Specified domes pre-positioned on one carrier<\/td><td>Array revision, key count, registration and laminate condition<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p>Choose by actual assembly route, not by a blanket ranking of formats. Bulk handling can be adequate for a controlled prototype. Repeated automated pickup favors a package that exposes each pickup position. An array is most useful when several switch locations must be registered together. Trial the chosen format on the real equipment before assuming it removes every defect mode.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Can_You_Detect_Two_Domes_Before_Placement\"><\/span>How Can You Detect Two Domes Before Placement?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Check the edge or profile at the point where a dome leaves its package, not only after it has been covered. Under side lighting, two shell rims may be visible even when the crown looks normal from above. For automated equipment, a validated camera view, height measurement or pickup-response check may separate a single dome from a nested pair. Which method works depends on the particular dome and tool; a nominal sensor resolution alone does not prove detection.<\/p>\n\n\n<p>Use known single-dome samples and intentionally prepared nested samples during setup, then confirm that the control rejects the pair without rejecting acceptable singles. Do not press an unsupported dome flat merely to inspect it. The acceptance method should be documented before routine production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Should_a_Feeder_Trial_Prove\"><\/span>What Should a Feeder Trial Prove?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>A feeder trial should demonstrate that the chosen part and package remain separable through the actual speed, orientation and refill sequence. Observe the first pickup after loading, steady running, reel or tube changeover, and restart after a stoppage. Record the number of intended pickups, successful single pickups, double pickups, empty pickups and damaged parts. A short demonstration with a few perfect cycles is not enough to establish a production control.<\/p>\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Trial event<\/th><th>Observation to retain<\/th><th>Disposition question<\/th><\/tr><\/thead><tbody><tr><td>Pickup from package<\/td><td>Single rim, correct orientation, no second part attached<\/td><td>Can the inspection distinguish a prepared nested pair?<\/td><\/tr><tr><td>Transfer and release<\/td><td>One dome at the nozzle and one dome released<\/td><td>Does another dome stay attached or fall later?<\/td><\/tr><tr><td>Placement on circuit<\/td><td>One part at the correct key ID, seated on the intended support<\/td><td>Is there a missing or extra dome elsewhere?<\/td><\/tr><tr><td>Stop and restart<\/td><td>Part count and pocket position remain reconciled<\/td><td>Can a repeat pickup occur at the same location?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p>Set the trial sample size, acceptance limits and requalification triggers against the actual defect risk and production plan. Keep the observed pickup counts and rejected samples with the trial record so the proposed supply method can be compared with the approved requirement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Dome_Details_Must_the_Drawing_Control\"><\/span>Which Dome Details Must the Drawing Control?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>The drawing should identify the exact dome part, outer profile, height, material or plating where specified, leg or dimple orientation, target force range and intended supply format. The circuit drawing must identify the pad pattern and key ID. For an array, include carrier outline, tooling datum and the dome position at each key. For a reel, specify the pickup face and pocket orientation used by the machine.<\/p>\n\n\n<p>These details distinguish a change in dome geometry from a change only in packaging. A replacement part with the same nominal diameter can have a different crown or leg profile and behave differently in a bulk feeder. Check the drawing and the feeder together before approving a substitution.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-array.jpg\" alt=\"Real single-key adhesive metal dome units with one dome positioned in each carrier\" width=\"600\" height=\"354\" class=\"wp-image-7493\" srcset=\"https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-array.jpg 600w, https:\/\/www.metal-domes.com\/blog\/wp-content\/uploads\/2026\/11\/anti-stacking-metal-domes-array-300x177.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_You_Verify_One_Dome_Reaches_Each_Contact_Pad\"><\/span>How Do You Verify One Dome Reaches Each Contact Pad?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Verify at two boundaries: after the dome leaves the package, and after it reaches its circuit location. The first check establishes single-part pickup; the second establishes one part at the correct pad with the intended orientation. Reconcile the issued quantity with placed, rejected and remaining parts when loose domes are used. For an array, compare the carrier revision and visible key count with the approved drawing before lamination.<\/p>\n\n\n<p>Keep the observations tied to a key ID, package or lot, and build stage. If an extra dome is found at one position, inspect the same unit for a missing position before releasing it. This is a local containment action; the earlier <a href=\"https:\/\/www.metal-domes.com\/blog\/2026\/10\/09\/double-doming-prevention\/\">double-doming prevention article<\/a> covers the wider placement-defect control plan.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Should_Be_Tested_on_the_Assembled_Switch\"><\/span>What Should Be Tested on the Assembled Switch?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>Compare each assembled key with the approved switch stack for trip force, travel, return behavior and electrical closure. A nested pair can change the mechanical signature, but force testing is a detection aid, not proof of exactly which defect occurred. A reversed dome, incorrect actuator or unsupported perimeter can also change the curve. Inspect the physical stack when a key fails its acceptance window.<\/p>\n\n\n<p>The limits must come from the selected dome, PCB or membrane circuit, overlay and actuator arrangement. A loose-dome force value is not automatically the same as the installed-key force. We review these requirements against the customer&#8217;s drawing and agreed test method rather than promising one universal anti-nesting force threshold.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Are_Intentional_Stacked_Metal_Domes_a_Placement_Defect\"><\/span>Are Intentional Stacked Metal Domes a Placement Defect?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>No. <strong>Stacked metal domes<\/strong> can be a deliberate, separately engineered switch structure when the drawing specifies the complete stack and its measured response. That is different from <strong>metal dome nesting<\/strong> in a bulk package or an accidental second shell transferred during pickup. The acceptance test must follow the approved construction: one dome for a single-dome design, or the specified stack for an intentional multi-dome design.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Do_We_Need_to_Review_an_Anti-Nesting_Application\"><\/span>What Do We Need to Review an Anti-Nesting Application?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<p>For <a href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/\">anti stacking metal domes<\/a>, send us the dome drawing or current part number, circuit-pad layout, key count, target force and travel, existing package, placement equipment and a photo or video of the pickup failure. State whether the goal is a revised dome geometry, a different supply format, or both. Include the prototype and annual quantities and any required inspection records.<\/p>\n\n\n<p>At EBest Circuit(Best Technology), we can compare our available loose-dome, tape-and-reel, single-key adhesive and custom-array options with that assembly route. The selected part and package can then be evaluated by a sample feeder trial and an installed-key test against the agreed requirements. Contact <a href=\"mailto:sales@metal-domes.com\">sales@metal-domes.com<\/a> with the drawing and failure evidence for a review.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Anti-Stacking_Metal_Dome_FAQs\"><\/span>Anti-Stacking Metal Dome FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<h3>Does a four-leg shape automatically prevent nesting?<\/h3>\n\n\n<p>No. Four legs describe a support shape, not a tested anti-sticking property. Compare the exact part and package under the intended feeding conditions.<\/p>\n\n\n<h3>Can tape-and-reel eliminate double dome placement?<\/h3>\n\n\n<p>It isolates intended single domes in pockets and removes bulk separation at the pickup point. Pocket fill, pickup and placement still require validation; no format makes inspection unnecessary.<\/p>\n\n\n<h3>Is a double dome always a defective switch?<\/h3>\n\n\n<p>Only when the approved design calls for one dome and a second is installed unintentionally. A specified multi-dome structure must be evaluated against its own drawing and tests.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anti stacking metal domes address nested pickup before placement. Compare dome geometry, packaging, feeder trials and checks that confirm one dome per switch. <a href=\"https:\/\/www.metal-domes.com\/blog\/2026\/11\/12\/anti-stacking-metal-domes\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":57789,"featured_media":7490,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[100,9,3],"tags":[1448,1369,1449,1450],"class_list":["post-7494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-metal-dome-assembly-2","category-metal-dome-related","category-metal-domes","tag-anti-stacking-metal-domes","tag-double-dome-placement","tag-metal-dome-nesting","tag-stacked-metal-domes"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/posts\/7494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/users\/57789"}],"replies":[{"embeddable":true,"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/comments?post=7494"}],"version-history":[{"count":3,"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/posts\/7494\/revisions"}],"predecessor-version":[{"id":7497,"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/posts\/7494\/revisions\/7497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/media\/7490"}],"wp:attachment":[{"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/media?parent=7494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/categories?post=7494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.metal-domes.com\/blog\/wp-json\/wp\/v2\/tags?post=7494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}