KR880010641A - 양면메모리 보드 - Google Patents

양면메모리 보드 Download PDF

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KR880010641A
KR880010641A KR1019880001839A KR880001839A KR880010641A KR 880010641 A KR880010641 A KR 880010641A KR 1019880001839 A KR1019880001839 A KR 1019880001839A KR 880001839 A KR880001839 A KR 880001839A KR 880010641 A KR880010641 A KR 880010641A
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substrate
main surface
memory
copper
solder
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KR1019880001839A
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KR970003991B1 (ko
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유기오 가나자와
마사유기 와다나베
도시오 스가노
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미다 가쓰시게
가부시기가이샤 히다찌세이사꾸쇼
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Abstract

내용 없음

Description

양면메모리 보드
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제 1 실시예를 도시한 중요부분 단면도,
제 2 도는 본 발명의 제 1 실시예를 도시한 중요부분 평면도,
제 3 도는 본 발명의 제 2 실시예를 도시한 메모리 모듈에 사용하는 프린트 배서니판의 윗면(면 내장부품의 주요부착면)만의 배선 패턴을 도시한 평면도.

Claims (9)

  1. (a) 장방형의 절연기판, (b) 상기 기판으리 제 1 주면에 땜납에 의해 면 내장된 적어도 8개의 메모리 IC몰드체, 여기에서 상기 메모리 IC의 각각은 윗면이 장방형의 상자형 몰드체이고 그 한쌍의 긴쪽면에서 다수의 리드가 돌출하여 그들을 거쳐서 상기 기판에 납땜되어 있고, 또, 상기 다수의 몰드체는 서로 그 긴쪽면이 접근하도록 또한 상기 기판의 전 표면을 덮도록 1열로 배열되어 있고, (C) 상기 기판의 제 1 주면에 마련된 상기 다수의 몰드체를 내장하기 위한 다수의 납땜용 구리 패드, ((d) 상기 기판의 제 1 주면에 마련된 다수의 어드레스 라인을 구성하는 제 1 구리 가는선군, 상기 제 1 구리 가는선군은 상기 다수의 납땜 패드 사이를 통하여 상기 기판의 긴쪽 방향에 동일기판을 종단하도록 배치되어 있고, (e) 상기 기판의 제 2 주면에 마련된 Vcc플레이트용 구리 섬형상 패턴과 Vss용 구리 섬형상 패턴, 이 두 패턴은 상기 제 2 주면의 전면을 덮도록 배치되어 있고, (f) 상기 기판의 제 1 긴변측 끝부분의 적어도 제 2 주면에 마련된 외부접촉용 다수의 패트, (g) 상기 기판의 제 2 주면에 마련된 데이터 입출력 라인을 구성하는 제 2 구리 가는선군, 이 제 2 구리 가는선군은 상기 VcC 및 Vss패턴 사이를 통해서 상기 기판의 짧은변 방향으로 상기 제 2 주면을 횡단해서 다수의 상기 외부 접속용 패드와 접속되어 있는 것을 포함하여 되는 메모리 IC내장체.
  2. 특허청구의 범위 제 1 항에 있어서, 상기 기판의 제 1 및 제 2 의 주면 사이에는 다른 배선층이 없는 메모리 IC내장체.
  3. 특허청구의 범위 제 1 항에 있어서 또, (h) 상기 기판의 납땜용 패드, 외부 접속용 패드 및 스루홀이외의 제 1 주면의 전면을 카바하도록 형성된 땜납 레지스트 필름을 포함하여 되는 메모리 IC내장체.
  4. 특허청구의 범위 제 3 항에 있어서 또, (i) 적어도 상기 납땜용 패드위에 형성된 구리 패드 산화방지용 땜납코드층을 포함하여 되는 메모리 IC내장체.
  5. 특허청구의 범위 제 1 항에 있어서, 상기 제 2 주면의 Vcc 또는 Vss플레이트는 그 전면에 다수의 열린 구멍 부분을 가지는 메모리 IC내장체.
  6. 그 위에 다수의 메모리 IC몰드체를 면 내장한 프린트 기판에 있어서, 이 프린트 기판의 한쪽 주면에는 그 전체를 덮은 Vcc 또는 Vss플레이트가 형성되고 다른쪽 주면에는 그 외의 배선이 형성되어 상기 제1과 제2의 주면 사이에 다른 배선층이 없는 것을 특징으로 하는 메모리 IC내장체.
  7. 특허청구의 범위 제 6 항에 있어서 또, (j) 상기 기판의 납땜용 패드, 외부 접속용 패드 및 스루홀 이외의 제 1 주면의 전면을 카바하도록 형성된 땜납레지스트 필름을 포함하여 되는 다수의 메모리 IC내장체.
  8. 특허청구의 범위 제 7항에 있어서 또, (k)적어도 상기 납땜용 패드위에 형성된 구리 패드산화방지용 땜납코드층을 포함하여 되는 메모리 IC내장체.
  9. 상기 특허청구의 범위 제 6 항에 있어서, 상기 제 2 주면의 Vcc 또는 Vss플레이트는 그 전면에 다수의 열린 구멍부분을 가지는 메모리 IC내장체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880001839A 1987-02-27 1988-02-23 양면 메모리보드 및 그것을 사용한 메모리 모듈 KR970003991B1 (ko)

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