KR101299258B1 - 인쇄회로기판의 bvh 깊이 최소화공법 - Google Patents
인쇄회로기판의 bvh 깊이 최소화공법 Download PDFInfo
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- KR101299258B1 KR101299258B1 KR1020120119522A KR20120119522A KR101299258B1 KR 101299258 B1 KR101299258 B1 KR 101299258B1 KR 1020120119522 A KR1020120119522 A KR 1020120119522A KR 20120119522 A KR20120119522 A KR 20120119522A KR 101299258 B1 KR101299258 B1 KR 101299258B1
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- South Korea
- Prior art keywords
- coverlay
- bvh
- raw material
- punching
- copper
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- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 49
- 239000010410 layer Substances 0.000 claims abstract description 34
- 238000004080 punching Methods 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- 239000011229 interlayer Substances 0.000 claims abstract description 15
- 238000007747 plating Methods 0.000 claims abstract description 13
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 238000010030 laminating Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 150000001879 copper Chemical class 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009832 plasma treatment Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/005—Punching of holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0017—Etching of the substrate by chemical or physical means
- H05K3/0023—Etching of the substrate by chemical or physical means by exposure and development of a photosensitive insulating layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0055—After-treatment, e.g. cleaning or desmearing of holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/281—Applying non-metallic protective coatings by means of a preformed insulating foil
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/429—Plated through-holes specially for multilayer circuits, e.g. having connections to inner circuit layers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Laser Beam Processing (AREA)
Abstract
BVH Depth 깊이가 낮아짐에 따라 신뢰성 확보로 플라즈마 처리를 뺀 디스미어 처리로만으로 신뢰성 확보가 가능하게 된 인쇄회로기판의 BVH 깊이 최소화공법에 관한 것이다.
Description
도 2는 종래의 BVH 신뢰성 확보 공정에서 전처리 과정의 조건 미달 시 발생되는 문제점을 나타내는 사진이며,
도 3는 종래의 BVH 신뢰성 확보 공정에서 전처리 과정의 조건이 과할 경우 발생되는 문제점을 나타내는 사진이고,
도 4는 종래의 BVH 신뢰성 확보 공정에서 BVH의 표면사이즈를 확대하였을 경우 발생되는 문제점을 나타내는 사진이며,
도 5는 본 발명의 일 실시예에 따른 인쇄회로기판의 BVH 깊이 최소화공법에 대한 개략적인 흐름도이고,
도 6은 본 발명의 일 실시예에 따른 커버레이 가접 및 적층단계를 개략적으로 도시한 도면이며,
도 6 내지 도 8은 본 발명의 일실예에 따른 BVH 깊이 최소화공법이 적용된 인쇄회로기판에 대한 사진이다.
S20 : 커버레이 타발단계
S30 : 커버레이 가접 및 적층단계
S40 : 층간접착제(Prepreg)층 및 구리(Copper)층을 적층하는 단계
S50 : 구리(Copper)층 홀 가공단계
S60 : 층간접착제(Prepreg)층 홀 가공하는 단계
S70 : 디스미어처리단계
S80 : 도금단계
Claims (3)
- 롤(roll)상태의 원자재를 일정한 크기를 재단한 다음 회로를 형성하는 원자재준비단계(S10)와, 상기 원자재준비단계(S10)에서 준비된 원자재의 단면 또는 양면에 적층될 커버레이를 타발하는 커버레이 타발단계(S20)와, 상기 커버레이 타발단계(S20)에서 타발된 커버레이를 원자재의 단면 또는 양면에 가접 및 적층하는 단계(S30)와, 상기 커버레이 가접 및 적층단계(S30)에서 적층된 커버레이 상면에 층간접착제(Prepreg)층 및 구리(Copper)층을 적층하는 단계(S40)와, BVH을 형성하기 위하여 적층된 구리(Copper)층의 상부에 UV레이저나 노광 에칭을 이용하여 조사함으로서 홀이 형성되어 저면에 위치한 층간접착제층의 표면이 외부로 노출되는 구리(Copper)층 홀 가공단계(S50)와, 상기 구리(Copper)층 홀 가공단계(S50)에서 형성된 홀에 의해 노출된 층간접착제층의 상부에 UV레이저나 노광 에칭을 이용하여 조사함으로서 홀이 형성되어 층간접착제층의 저면에 위치한 원자재의 표면이 외부로 노출되는 층간접착제(Prepreg)층을 홀 가공단계(S60)와, 가공된 BVH에 디스미어처리를 하는 디스미어처리단계(S70)와, 상기 디스미어처리단계(S70)에서 디스미어처리가 완료되면 도금을 실시하는 도금단계(S80)를 포함하며,
상기 커버레이 타발단계(S20)는 Laser 작업 방식, 금형 타발 방식, BVH사이 간격 작업방식 중에 어느 하나를 이용하여 커버레이를 타발되며, BHV SIZE와 편측치우침을 감안하여 레이져 작업방식은 양측 100~140um의 공차가 필요하며, 금형타발방식은 양측 200~400um가 필요하게 되며, BVH사이 간격 작업 방식은 금형 타발 방식에서 BVH 사이 간격 공차(500um)가 나오지 않는 경우 각 BVH을 통합하여 OPEN하는 것을 특징으로 하는 인쇄회로기판의 BVH 깊이 최소화공법
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020120119522A KR101299258B1 (ko) | 2012-10-26 | 2012-10-26 | 인쇄회로기판의 bvh 깊이 최소화공법 |
CN201310498762.4A CN103796448B (zh) | 2012-10-26 | 2013-10-22 | 印刷电路板bvh深度的最小化方法 |
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KR1020120119522A KR101299258B1 (ko) | 2012-10-26 | 2012-10-26 | 인쇄회로기판의 bvh 깊이 최소화공법 |
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KR101299258B1 true KR101299258B1 (ko) | 2013-08-22 |
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KR1020120119522A KR101299258B1 (ko) | 2012-10-26 | 2012-10-26 | 인쇄회로기판의 bvh 깊이 최소화공법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114018373A (zh) * | 2021-10-28 | 2022-02-08 | 广州兴森快捷电路科技有限公司 | 除胶量测量方法及除胶量测量系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040058418A (ko) * | 2002-12-26 | 2004-07-05 | 삼성전기주식회사 | 휴대폰용 리지드 플렉시블 인쇄회로기판의 제조방법 |
KR100722620B1 (ko) | 2005-10-31 | 2007-05-28 | 삼성전기주식회사 | 리지드 플렉시블 인쇄회로기판 및 그 제조 방법 |
KR100751471B1 (ko) | 2006-02-02 | 2007-08-23 | 영풍전자 주식회사 | 연성인쇄회로기판의 윈도우 오픈부 형성 방법 |
KR100894701B1 (ko) | 2007-10-04 | 2009-04-24 | 삼성전기주식회사 | 경연성 인쇄회로기판 및 그 제조방법 |
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EP1893005B1 (en) * | 1997-07-08 | 2012-02-29 | Ibiden Co., Ltd. | Printed wiring board and method of producing a printed wiring board |
TW469228B (en) * | 1998-01-14 | 2001-12-21 | Mitsui Mining & Smelting Co | Method for producing multi-layer printed wiring boards having blind vias |
CN100493297C (zh) * | 2006-06-26 | 2009-05-27 | 景硕科技股份有限公司 | 自动化制程中卷带式薄状体的图案化方法 |
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- 2012-10-26 KR KR1020120119522A patent/KR101299258B1/ko active IP Right Grant
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20040058418A (ko) * | 2002-12-26 | 2004-07-05 | 삼성전기주식회사 | 휴대폰용 리지드 플렉시블 인쇄회로기판의 제조방법 |
KR100722620B1 (ko) | 2005-10-31 | 2007-05-28 | 삼성전기주식회사 | 리지드 플렉시블 인쇄회로기판 및 그 제조 방법 |
KR100751471B1 (ko) | 2006-02-02 | 2007-08-23 | 영풍전자 주식회사 | 연성인쇄회로기판의 윈도우 오픈부 형성 방법 |
KR100894701B1 (ko) | 2007-10-04 | 2009-04-24 | 삼성전기주식회사 | 경연성 인쇄회로기판 및 그 제조방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114018373A (zh) * | 2021-10-28 | 2022-02-08 | 广州兴森快捷电路科技有限公司 | 除胶量测量方法及除胶量测量系统 |
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CN103796448B (zh) | 2017-03-01 |
CN103796448A (zh) | 2014-05-14 |
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