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			<guid><![CDATA[https://www.queenems.com/blog/pcb-via-tenting-vs-plugging-vs-filling/]]></guid>
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			<title>Via Tenting vs Plugging vs Filling: IPC-4761 Types and When to Use Each</title>
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			<title>2 Layer vs 4 Layer PCB: Differences, Cost, Lead Time and How to Choose</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:48:15 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/tachyon-100g-pcb-material-guide-specs-100gbps-processing/]]></guid>
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			<title>Tachyon 100G PCB Material: Datasheet Values, Dk/Df by Construction and Ordering</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:47:59 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/ipc-class-2-vs-class-3-pcb/]]></guid>
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			<title>IPC Class 2 vs Class 3 PCB: Differences, Standards and Cost</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:47:43 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/fr4-material-pcb-properties-tg-grades-how-to-choose/]]></guid>
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			<title>FR-4 Material: Properties, Tg Grades and How to Choose</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:47:27 +0000]]></pubDate>
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			<title>4 Layer vs 6 Layer PCB: Stackups, Cost, Lead Time and When to Upgrade</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:47:11 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/what-is-solder-mask-a-complete-guide-to-pcb-design-standards/]]></guid>
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			<title>What Is Solder Mask? A Complete Guide to PCB Design Standards</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:45:35 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/10-high-speed-pcb-design-rules-for-reliable-ai-hardware/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/10-high-speed-pcb-design-rules-for-reliable-ai-hardware/]]></link>
			<title>10 High Speed PCB Design Rules for Reliable AI Hardware</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:35:52 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/how-to-prevent-cold-solder-joints-ensure-zero-defect-pcba/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-prevent-cold-solder-joints-ensure-zero-defect-pcba/]]></link>
			<title>Cold Solder Joint: How to Identify, Fix &#038; Prevent It</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:35:36 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/what-does-smt-mean-a-complete-guide-to-pcb-assembly/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/what-does-smt-mean-a-complete-guide-to-pcb-assembly/]]></link>
			<title>What Does SMT Mean? The SMT Assembly Process Step by Step</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:35:21 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/how-to-use-an-eye-diagram-to-fix-pcb-signal-issues/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-use-an-eye-diagram-to-fix-pcb-signal-issues/]]></link>
			<title>How to Use an Eye Diagram to Fix PCB Signal Issues</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:35:05 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/what-is-pcb-etching-the-ultimate-guide-to-fabrication/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/what-is-pcb-etching-the-ultimate-guide-to-fabrication/]]></link>
			<title>What is PCB Etching? The Ultimate Guide to Fabrication</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:34:49 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://www.queenems.com/blog/avoid-pcba-defects-the-ultimate-soldering-paste-guide/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/avoid-pcba-defects-the-ultimate-soldering-paste-guide/]]></link>
			<title>Avoid PCBA Defects: The Ultimate Soldering Paste Guide</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:34:31 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://www.queenems.com/blog/top-15-ems-companies-powering-us-electronics-2026-manufacturing-rankings/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/top-15-ems-companies-powering-us-electronics-2026-manufacturing-rankings/]]></link>
			<title>Top 15 EMS Companies for US Electronics Buyers</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:34:16 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/what-are-top-15-ems-companies-for-canada-2026-manufacturing-partners/]]></guid>
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			<title>What are Top 15 EMS Companies for Canada: 2026 Manufacturing Partners?</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:34:00 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/top-10-electronic-contract-manufacturing-companies-in-the-world/]]></guid>
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			<title>Top 10 Electronic Contract Manufacturing Companies by Revenue</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:33:45 +0000]]></pubDate>
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			<guid><![CDATA[https://www.queenems.com/blog/leaded-vs-lead-free-solder-which-is-better/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/leaded-vs-lead-free-solder-which-is-better/]]></link>
			<title>Leaded vs. Lead-Free Solder: Which is Better?</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:33:31 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/the-ultimate-guide-to-annular-ring-in-pcb-design-with-formulas/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/the-ultimate-guide-to-annular-ring-in-pcb-design-with-formulas/]]></link>
			<title>The Ultimate Guide to Annular Ring in PCB Design (With Formulas)</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:32:41 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/why-your-wave-soldering-fails-the-ultimate-process-dfm-guide/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/why-your-wave-soldering-fails-the-ultimate-process-dfm-guide/]]></link>
			<title>Why Your Wave Soldering Fails: The Ultimate Process &amp; DFM Guide</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:32:26 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/stop-pcb-failures-the-flying-probe-test-survival-guide/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/stop-pcb-failures-the-flying-probe-test-survival-guide/]]></link>
			<title>Stop PCB Failures: The Flying Probe Test Survival Guide</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:32:10 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-reduce-pcb-panel-costs/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-reduce-pcb-panel-costs/]]></link>
			<title>How PCB Panel Costs Change Your Quote</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:31:56 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://www.queenems.com/blog/prepreg-pcb-guide-10-secrets-to-flawless-board-stackups/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/prepreg-pcb-guide-10-secrets-to-flawless-board-stackups/]]></link>
			<title>Prepreg PCB Guide: 10 Secrets To Flawless Board Stackups</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:31:42 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-order-pcb-prototype/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-order-pcb-prototype/]]></link>
			<title>How to Make Your PCB Prototype Order Fab-Ready</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:31:28 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/pcb-fabrication-defects-prevention/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/pcb-fabrication-defects-prevention/]]></link>
			<title>Top 10 PCB Fabrication Defects: What They Look Like and How to Prevent Them</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:31:01 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/pcb-stack-up-design-guide/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/pcb-stack-up-design-guide/]]></link>
			<title>How to Get PCB Stack-Up Design Right Before Fabrication</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:30:46 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/rigid-flex-vs-flexible-pcb-cost/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/rigid-flex-vs-flexible-pcb-cost/]]></link>
			<title>Rigid-Flex vs Flexible PCB Cost: How to Stop Overpaying</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:30:32 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/hasl-vs-enig-pcb-surface-finish/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/hasl-vs-enig-pcb-surface-finish/]]></link>
			<title>HASL vs ENIG PCB Surface Finish: Which One Should You Actually Pay For?</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:29:41 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/pcb-conformal-coating-types-when-to-use/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/pcb-conformal-coating-types-when-to-use/]]></link>
			<title>PCB Conformal Coating: Which Type Do You Actually Need — and When Is Skipping It a Mistake?</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:29:12 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/pcb-prototype-vs-production-order-switch-signals/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/pcb-prototype-vs-production-order-switch-signals/]]></link>
			<title>PCB Prototype vs Production Order: The 5 Signals That Tell You It&#8217;s Time to Switch</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:28:59 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/6-layer-vs-8-layer-pcb-cost-speed-comparison/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/6-layer-vs-8-layer-pcb-cost-speed-comparison/]]></link>
			<title>6-Layer vs 8-Layer PCB: Is the Extra Cost Worth It for Your Design?</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:28:45 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/centroid-file-pcb-assembly/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/centroid-file-pcb-assembly/]]></link>
			<title>Centroid File（Pick and Place） PCB Assembly: The Complete Pick and Place Guide</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:28:31 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/x-ray-inspection-pcb-assembly-guide/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/x-ray-inspection-pcb-assembly-guide/]]></link>
			<title>X-Ray Inspection PCB Assembly: When Does Your Board Actually Need It?</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:28:16 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-fix-bga-voiding-stencil-design-ipc-limits/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-fix-bga-voiding-stencil-design-ipc-limits/]]></link>
			<title>How to Fix BGA Voiding: Stencil Design &amp; IPC Limits</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:28:01 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/aoi-vs-x-ray-vs-ict-pcb-inspection/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/aoi-vs-x-ray-vs-ict-pcb-inspection/]]></link>
			<title>How to Decide Between AOI vs X-Ray vs ICT Testing</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:27:46 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-apply-ipc-standards-for-pcb-assembly-success/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-apply-ipc-standards-for-pcb-assembly-success/]]></link>
			<title>How to Apply IPC Standards for PCB Assembly Success</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:27:30 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-audit-a-pcb-assembly-factory-the-8-point-checklist-before-you-sign-a-contract/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-audit-a-pcb-assembly-factory-the-8-point-checklist-before-you-sign-a-contract/]]></link>
			<title>How to Audit a PCB Assembly Factory: The 8-Point Checklist Before You Sign a Contract</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:26:22 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/engineering-change-notice-ecn-for-pcb-how-to-manage-design-changes-without-derailing-production/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/engineering-change-notice-ecn-for-pcb-how-to-manage-design-changes-without-derailing-production/]]></link>
			<title>Engineering Change Notice (ECN) for PCB: How to Manage Design Changes Without Derailing Production</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:26:06 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-evaluate-pcb-assembly-quality-without-visiting-the-factory-8-remote-methods/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-evaluate-pcb-assembly-quality-without-visiting-the-factory-8-remote-methods/]]></link>
			<title>How to Evaluate PCB Assembly Quality Remotely</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:25:51 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-decide-when-to-use-hdi-pcb-in-layout-7-signals-your-standard-multilayer-design-has-reached-its-limit/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-decide-when-to-use-hdi-pcb-in-layout-7-signals-your-standard-multilayer-design-has-reached-its-limit/]]></link>
			<title>How to Decide When to Use HDI PCB in Layout: 7 Signals Your Standard Multilayer Design Has Reached Its Limit</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:25:35 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/hdi-stackup-types-how-to-choose-1n1-2n2-or-elic-pcb/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/hdi-stackup-types-how-to-choose-1n1-2n2-or-elic-pcb/]]></link>
			<title>HDI Stackup Types: How to Choose 1+N+1, 2+N+2, or ELIC PCB</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:25:21 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-use-an-hdi-pcb-dfm-checklist-for-layout/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-use-an-hdi-pcb-dfm-checklist-for-layout/]]></link>
			<title>How to Use an HDI PCB DFM Checklist for Layout</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:25:06 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-route-fine-pitch-bga-fanout-hdi-pcb-like-a-pro/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-route-fine-pitch-bga-fanout-hdi-pcb-like-a-pro/]]></link>
			<title>How to Route Fine-Pitch BGA Fanout HDI PCB Like a Pro</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:24:52 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-judge-cms-by-pcb-assembly-first-pass-yield/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-judge-cms-by-pcb-assembly-first-pass-yield/]]></link>
			<title>How to Judge CMs by PCB Assembly First Pass Yield</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:24:37 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/pcb-assembly-documentation-engineers-file-checklist/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/pcb-assembly-documentation-engineers-file-checklist/]]></link>
			<title>PCB Assembly Documentation: Engineer&#8217;s File Checklist</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:24:21 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/]]></guid>
			<link><![CDATA[https://www.queenems.com/]]></link>
			<title>Home</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 01:45:38 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/pcb-assembly-drawing-guide-how-to-prevent-costly-rework/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/pcb-assembly-drawing-guide-how-to-prevent-costly-rework/]]></link>
			<title>PCB Assembly Drawing Guide: How to Prevent Costly Rework</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:24:06 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-manage-end-of-life-components-in-pcb-assembly/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-manage-end-of-life-components-in-pcb-assembly/]]></link>
			<title>How to Manage End-of-Life Components in PCB Assembly</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:23:21 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-choose-between-copper-fill-vs-resin-fill-for-via-in-pad-design/]]></guid>
			<link><![CDATA[https://www.queenems.com/blog/how-to-choose-between-copper-fill-vs-resin-fill-for-via-in-pad-design/]]></link>
			<title>How to Choose Between Copper Fill vs Resin Fill for Via in Pad Design</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:23:04 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://www.queenems.com/blog/how-to-choose-the-right-5g-base-station-pcb-material/]]></guid>
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			<title>How to Choose the Right 5G Base Station PCB Material</title>
			<pubDate><![CDATA[Wed, 14 Oct 2026 10:22:48 +0000]]></pubDate>
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