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	<title>환형링(annular ring) - 편집 역사</title>
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	<updated>2026-04-26T07:36:04Z</updated>
	<subtitle>이 문서의 편집 역사</subtitle>
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		<title>Togotech: 새 문서: 환형링(annular ring) &lt;ol&gt; &lt;li&gt; 전자부품 &lt;ol&gt; &lt;li&gt; 기판 &lt;ol&gt; &lt;li&gt; 유기물기판 &lt;ol&gt; &lt;li&gt; 동박 설계 &lt;ol&gt; &lt;li&gt; 환형링(annular ring) - 이 페이지...</title>
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		<updated>2022-05-11T03:52:54Z</updated>

		<summary type="html">&lt;p&gt;새 문서: 환형링(annular ring) &amp;lt;ol&amp;gt; &amp;lt;li&amp;gt; &lt;a href=&quot;/index.php/%EC%A0%84%EC%9E%90%EB%B6%80%ED%92%88&quot; title=&quot;전자부품&quot; data-bs-title=&quot;전자부품&quot;&gt;전자부품&lt;/a&gt; &amp;lt;ol&amp;gt; &amp;lt;li&amp;gt; &lt;a href=&quot;/index.php/%EA%B8%B0%ED%8C%90&quot; title=&quot;기판&quot; data-bs-title=&quot;기판&quot;&gt;기판&lt;/a&gt; &amp;lt;ol&amp;gt; &amp;lt;li&amp;gt; &lt;a href=&quot;/index.php/%EC%9C%A0%EA%B8%B0%EB%AC%BC%EA%B8%B0%ED%8C%90&quot; title=&quot;유기물기판&quot; data-bs-title=&quot;유기물기판&quot;&gt;유기물기판&lt;/a&gt; &amp;lt;ol&amp;gt; &amp;lt;li&amp;gt; &lt;a href=&quot;/index.php/%EB%8F%99%EB%B0%95_%EC%84%A4%EA%B3%84&quot; title=&quot;동박 설계&quot; data-bs-title=&quot;동박_설계&quot;&gt;동박 설계&lt;/a&gt; &amp;lt;ol&amp;gt; &amp;lt;li&amp;gt; &lt;a href=&quot;/index.php/%ED%99%98%ED%98%95%EB%A7%81(annular_ring)&quot; title=&quot;환형링(annular ring)&quot; data-bs-title=&quot;환형링(annular_ring)&quot;&gt;환형링(annular ring)&lt;/a&gt; - 이 페이지...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;새 문서&lt;/b&gt;&lt;/p&gt;&lt;div&gt;환형링(annular ring)&lt;br /&gt;
&amp;lt;ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[전자부품]]&lt;br /&gt;
&amp;lt;ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[기판]]&lt;br /&gt;
&amp;lt;ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[유기물기판]]&lt;br /&gt;
&amp;lt;ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[동박 설계]]&lt;br /&gt;
&amp;lt;ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[환형링(annular ring)]] - 이 페이지&lt;br /&gt;
&amp;lt;/ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[동박 배선]]&lt;br /&gt;
&amp;lt;/ol&amp;gt;&lt;br /&gt;
&amp;lt;/ol&amp;gt;&lt;br /&gt;
&amp;lt;/ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt;annular ring (환형링)&lt;br /&gt;
&amp;lt;ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[비아R]]에서&lt;br /&gt;
&amp;lt;ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt;환형링 직경은 문제가 없으나, 각 중심이 맞지 않아서&lt;br /&gt;
&amp;lt;gallery&amp;gt;&lt;br /&gt;
image:thruhole01_005.jpg | 문제품&lt;br /&gt;
image:thruhole01_005_001.jpg | 문제가 없는 다른 PCB에서&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&amp;lt;/ol&amp;gt;&lt;br /&gt;
&amp;lt;li&amp;gt; [[iPad A1219]] 태블릿에서, WiFi 모듈에서, 비아로 [[차폐]]를 하는 접지라인에서&lt;br /&gt;
&amp;lt;gallery&amp;gt;&lt;br /&gt;
image:a1219_013_001.jpg&lt;br /&gt;
image:a1219_013_002.jpg&lt;br /&gt;
image:a1219_013_002_001.jpg | 기판 속으로 통과하는 [[EMI]] 차폐를 위한 접지 비아&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&amp;lt;/ol&amp;gt;&lt;br /&gt;
&amp;lt;/ol&amp;gt;&lt;/div&gt;</summary>
		<author><name>Togotech</name></author>
		
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