{"id":9894,"date":"2025-11-04T08:59:03","date_gmt":"2025-11-04T08:59:03","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9894"},"modified":"2025-11-04T09:05:07","modified_gmt":"2025-11-04T09:05:07","slug":"led-mcpcb-thermal-voids","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/ar\/%d9%81%d8%b1%d8%a7%d8%ba%d8%a7%d8%aa-%d8%ad%d8%b1%d8%a7%d8%b1%d9%8a%d8%a9-%d9%81%d9%8a-%d9%84%d9%88%d8%ad%d8%a9-%d8%a7%d9%84%d8%af%d9%88%d8%a7%d8%a6%d8%b1-%d8%a7%d9%84%d9%85%d8%b7%d8%a8%d9%88%d8%b9\/","title":{"rendered":"\u0623\u062c\u0647\u0632\u0629 LED MCPCBs: \u0627\u0644\u0641\u0631\u0627\u063a\u0627\u062a\u060c \u0648\u062a\u0643\u062f\u064a\u0633 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u060c \u0648\u0641\u062e \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0644\u0645\u0639\u0627\u0646"},"content":{"rendered":"<p>\u0639\u0646\u062f\u0645\u0627 \u062a\u0628\u062f\u0623 \u0625\u0636\u0627\u0621\u0629 LED \u0641\u064a \u0627\u0644\u062a\u0644\u0627\u0634\u064a 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\u0645\u0646 \u0627\u0644\u0642\u062f\u0631\u0629 \u0641\u064a \u0627\u0644\u0648\u062d\u062f\u0629\u060c \u0648\u064a\u062c\u0628 \u0623\u0646 \u062a\u0641\u0631\u0651 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0646\u0627\u062a\u062c\u0629. \u0625\u0630\u0627 \u062a\u0645 \u062d\u0638\u0631 \u0627\u0644\u0645\u0633\u0627\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u0633\u062a\u0631\u062a\u0641\u0639 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0648\u0635\u0644\u0629\u060c \u0648\u062a\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0641\u0627\u0621\u0629\u060c \u0648\u0644\u0627 \u064a\u0645\u0643\u0646 \u0644\u0644\u0633\u0627\u0626\u0642 \u0633\u0648\u0649 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0628\u064a\u0646 \u0642\u0628\u0648\u0644 \u0627\u0644\u062a\u0644\u0627\u0634\u064a \u0623\u0648 \u062e\u0641\u062a \u0627\u0644\u0625\u0636\u0627\u0621\u0629.<\/p>\n\n\n\n<p>\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0647\u0648 \u0627\u0644\u0623\u0633\u0627\u0633\u064a. \u062a\u062d\u062f\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0648\u0635\u0644\u0629 \u0627\u0644\u0643\u0641\u0627\u0621\u0629\u060c \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629\u060c \u0648\u0639\u0645\u0631 \u0627\u0644\u062e\u062f\u0645\u0629. \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0633\u0627\u0626\u0642 \u0647\u0648 \u062a\u0645\u0631\u064a\u0646 \u0630\u064a \u0645\u063a\u0632\u0649 \u0641\u0642\u0637 \u0628\u0639\u062f \u0623\u0646 \u062a\u0645 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062a\u0644\u0643 \u0627\u0644\u062f\u0631\u062c\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0641\u064a \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u0648\u0627\u0642\u0639. \u0625\u0639\u0637\u0627\u0621 \u0627\u0644\u0623\u0648\u0644\u0648\u064a\u0629 \u0644\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0647\u0648 \u0639\u0643\u0633 \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0633\u0628\u0628\u064a\u0629.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-thermal-stack-every-layer-between-junction-and-ambient\">\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629: \u0643\u0644 \u0637\u0628\u0642\u0629 \u0628\u064a\u0646 \u0627\u0644\u0648\u0635\u0644\u0629 \u0648\u0627\u0644\u0628\u064a\u0626\u0629<\/h2>\n\n\n<p>\u064a\u062a\u062f\u0641\u0642 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0646 \u0648\u0635\u0644\u0629 \u0627\u0644\u0640 LED \u0639\u0628\u0631 \u0633\u0644\u0633\u0644\u0629 \u0645\u0646 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0627\u0644\u0648\u0627\u062c\u0647\u0627\u062a \u0641\u064a \u0637\u0631\u064a\u0642\u0647 \u0625\u0644\u0649 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0645\u0641\u062a\u0648\u062d. \u062a\u0642\u062f\u0645 \u0643\u0644 \u0637\u0628\u0642\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u062d\u0631\u0627\u0631\u064a\u0629\u060c \u0648\u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0627\u062a \u062a\u062c\u0645\u0639 \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0643\u0644\u064a \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u0641\u0647\u0645 \u0647\u0630\u0647 \u0627\u0644\u0637\u0628\u0642\u0629 \u064a\u0643\u0634\u0641 \u0639\u0646 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062a\u064a \u064a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0644\u0627\u062a\u062c\u0627\u0647 \u0648\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631\u0627\u062a \u062a\u0623\u062b\u064a\u0631 \u0623\u0643\u0628\u0631.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"junction-to-mcpcb-base-internal-resistances\">\u0645\u0646 \u0627\u0644\u0648\u0635\u0644\u0629 \u0625\u0644\u0649 \u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0640 MCPCB: \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/h3>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/led_thermal_stack_diagram.jpg\" alt=\"\u0645\u062e\u0637\u0637 \u064a\u064f\u0638\u0647\u0631 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u064a\u0645\u0631 \u0639\u0628\u0631\u0647\u0627 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0646 \u0642\u0636\u064a\u0628 LED \u0625\u0644\u0649 \u0642\u0627\u0639\u062f\u0629 \u0644\u0648\u062d \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0645\u0637\u0627\u0628\u0642 (MCPCB)\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u0642\u0636\u064a\u0628\u060c \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0648\u0627\u0644\u0639\u0627\u0632\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a.\" title=\"\u0627\u0644\u0642\u0637\u0627\u0639 \u0627\u0644\u0639\u0631\u0636\u064a \u0644\u0645\u0643\u062f\u0633 \u062d\u0631\u0627\u0631\u064a LED\"\/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0647\u064a \u0633\u0644\u0633\u0644\u0629 \u0645\u0646 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0639\u0628\u0648\u0631\u0647\u0627 \u0645\u0646 \u0648\u0635\u0644\u0629 \u0627\u0644\u0640 LED \u0625\u0644\u0649 \u0627\u0644\u0645\u0628\u0631\u062f. \u062a\u0636\u064a\u0641 \u0643\u0644 \u0637\u0628\u0642\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u062d\u0631\u0627\u0631\u064a\u0629.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u062a\u0628\u062f\u0623 \u0627\u0644\u0631\u062d\u0644\u0629 \u0639\u0646\u062f \u0648\u0635\u0644\u0629 \u0627\u0644\u0640 LED. \u064a\u0646\u062a\u0642\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0628\u0631 \u0627\u0644\u0648\u062d\u062f\u0629\u060c \u0648\u0645\u0648\u0627\u062f \u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0648\u062d\u062f\u0629\u060c \u0648\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u062d\u0632\u0645\u0629 (\u063a\u0627\u0644\u0628\u064b\u0627 \u0641\u0648\u0647\u0629 \u0633\u064a\u0631\u0627\u0645\u064a\u0643\u064a\u0629 \u0623\u0648 \u0645\u0639\u062f\u0646\u064a\u0629)\u060c \u062b\u0645 \u0645\u0641\u0635\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0631\u0628\u0637 \u0627\u0644\u0648\u062d\u062f\u0629 \u0628\u0644\u0648\u062d\u0629 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0630\u0627\u062a \u0627\u0644\u0646\u0648\u0627\u0629 \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629. \u062f\u0627\u062e\u0644 \u0627\u0644\u0640 MCPCB\u060c \u064a\u0633\u062a\u0645\u0631 \u0627\u0644\u0645\u0633\u0627\u0631 \u0639\u0628\u0631 \u0637\u0628\u0642\u0629 \u0646\u062d\u0627\u0633\u064a\u0629 \u0631\u0642\u064a\u0642\u0629\u060c \u0648\u0639\u0627\u0632\u0644 \u0639\u0627\u0632\u0644 \u062e\u0627\u0635\u060c \u0648\u0623\u062e\u064a\u0631\u064b\u0627 \u0641\u064a \u0644\u0648\u062d\u0629 \u0627\u0644\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0623\u0648 \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0633\u0645\u064a\u0643. \u0627\u0644\u0647\u062f\u0641 \u0627\u0644\u0643\u0627\u0645\u0644 \u0645\u0646 \u0627\u0644\u0640 MCPCB \u0647\u0648 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0647\u0646\u0627\u060c \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0627\u062f\u0629 \u0639\u0627\u0632\u0644\u0629 \u0645\u0645\u0644\u0648\u0621\u0629 \u0628\u0627\u0644\u0633\u064a\u0631\u0627\u0645\u064a\u0643 \u0648\u0646\u0648\u0627\u0629 \u0645\u0639\u062f\u0646\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0648\u0635\u064a\u0644.<\/p>\n\n\n\n<p>\u0628\u064a\u0646\u0645\u0627 \u062a\u0633\u0627\u0647\u0645 \u0643\u0644 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u060c \u0641\u0647\u064a \u0625\u0644\u0649 \u062d\u062f \u0643\u0628\u064a\u0631 \u062b\u0627\u0628\u062a\u0629 \u0628\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0640 LED \u0648\u0627\u0644\u0640 MCPCB. \u064a\u062d\u062f\u062f \u0627\u0644\u0645\u0635\u0645\u0645 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a\u060c \u0644\u0643\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0627\u0644\u0633\u0645\u0643 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0645\u0636\u0628\u0648\u0637\u0627\u0646 \u0645\u0646 \u0642\u0628\u0644 \u0627\u0644\u0645\u0635\u0646\u0639\u064a\u0646. \u0627\u0644\u0641\u0631\u0635\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0644\u062a\u062d\u0633\u064a\u0646 \u0647\u0646\u0627 \u062a\u0643\u0645\u0646 \u0641\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a\u060c \u0648\u0644\u064a\u0633 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u062c\u0645\u064a\u0639.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"mcpcb-to-heatsink-the-critical-interface\">\u0645\u0646 \u0627\u0644\u0640 MCPCB \u0625\u0644\u0649 \u0627\u0644\u0645\u0628\u0631\u062f: \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u062d\u064a\u0648\u064a\u0629<\/h3>\n\n\n<p>\u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u062e\u0627\u0631\u062c\u064a \u0645\u0646 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629\u060c \u0645\u0646 \u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0640 MCPCB \u0625\u0644\u0649 \u0627\u0644\u0645\u0628\u0631\u062f\u060c \u0647\u0648 \u0627\u0644\u0645\u0643\u0627\u0646 \u0627\u0644\u0630\u064a \u062a\u062a\u0648\u0641\u0631 \u0641\u064a\u0647 \u0623\u0643\u0628\u0631 \u0642\u062f\u0631 \u0645\u0646 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0644\u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u062c\u0645\u064a\u0639. \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0645 \u0644\u0635\u0642 \u0627\u0644\u0640 MCPCB \u0628\u0627\u0644\u0645\u0628\u0631\u062f \u0644\u0646\u0634\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0632\u064a\u0627\u062f\u0629 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0633\u0637\u062d 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\u0627\u0644\u062d\u0631\u0627\u0631\u0629.<\/p>\n\n\n\n<p>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0644\u0647\u0630\u0647 \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0645\u0641\u0631\u062f\u0629 \u063a\u0627\u0644\u0628\u064b\u0627 \u062a\u062a\u062c\u0627\u0648\u0632 \u0645\u062c\u0645\u0648\u0639 \u0643\u0644 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0645\u062c\u062a\u0645\u0639\u0629. \u0647\u0630\u0627 \u064a\u062c\u0639\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 TIM \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0623\u0647\u0645 \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0647\u064a\u0643\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0628\u0623\u0643\u0645\u0644\u0647. \u062e\u064a\u0627\u0631 TIM \u0633\u064a\u0626\u060c \u0623\u0648 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u063a\u064a\u0631 \u0627\u0644\u062f\u0642\u064a\u0642\u060c 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\u0644\u0648\u0633\u0627\u062f\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u062a\u062d\u062a LED\u060c \u064a\u064f\u0638\u0647\u0631 \u0628\u0642\u0639\u064b\u0627 \u062f\u0627\u0643\u0646\u0629 \u062a\u064f\u0639\u062a\u0628\u0631 \u0641\u0631\u0627\u063a\u0627\u062a\u060c \u0623\u0648 \u0641\u0642\u0627\u0639\u0627\u062a \u0647\u0648\u0627\u0621 \u0645\u062d\u0627\u0635\u0631\u0629\u060c \u0641\u064a \u0627\u0644\u0644\u062d\u0627\u0645.\" title=\"\u0635\u0648\u0631\u0629 \u0623\u0634\u0639\u0629 \u0633\u064a\u0646\u064a\u0629 \u062a\u0643\u0634\u0641 \u0639\u0646 \u0641\u0631\u0627\u063a\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645\"\/><figcaption class=\"wp-element-caption\">\u0627\u0644\u0641\u0631\u0627\u063a\u0627\u062a\u060c \u062a\u0638\u0647\u0631 \u0647\u0646\u0627 \u0643\u0646\u0642\u0627\u0637 \u062f\u0627\u0643\u0646\u0629 \u0641\u064a \u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629\u060c \u0647\u064a 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\u0627\u0644\u0623\u0645\u062f.<\/p>","protected":false},"author":1,"featured_media":9893,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"","glossary_alter":"","glossary_def":"","article_task":"LED MCPCBs: voids, thermal stack, and the lumen droop 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