KR20100051583A - 다층 프린트 배선판, 및 다층 프린트 배선판의 제조 방법 - Google Patents
다층 프린트 배선판, 및 다층 프린트 배선판의 제조 방법 Download PDFInfo
- Publication number
- KR20100051583A KR20100051583A KR1020097018943A KR20097018943A KR20100051583A KR 20100051583 A KR20100051583 A KR 20100051583A KR 1020097018943 A KR1020097018943 A KR 1020097018943A KR 20097018943 A KR20097018943 A KR 20097018943A KR 20100051583 A KR20100051583 A KR 20100051583A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- pad
- wiring board
- printed wiring
- multilayer printed
- Prior art date
Links
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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
- H05K3/46—Manufacturing multilayer circuits
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3452—Solder masks
-
- 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
-
- 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
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/389—Improvement of the adhesion between the insulating substrate and the metal by the use of a coupling agent, e.g. silane
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/099—Coating over pads, e.g. solder resist partly over pads
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/025—Abrading, e.g. grinding or sand blasting
-
- 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
- H05K3/24—Reinforcing the conductive pattern
- H05K3/244—Finish plating of conductors, especially of copper conductors, e.g. for pads or lands
-
- 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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49115—Electric battery cell making including coating or impregnating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49165—Manufacturing circuit on or in base by forming conductive walled aperture in base
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
필 강도 (N/cm) | ||
초기 단계 | 가습 시험 후 | |
실시예 1 | 11.86 | 8.33 |
실시예 2 | 11.86 | 8.33 |
비교예 1 | 7.84 | 0 |
비교예 2 | 5.88 | 0 |
Claims (12)
- 제 1 층간 수지 절연층과,상기 제 1 층간 수지 절연층 상에 형성되며, 전자 부품을 탑재하기 위한 패드와,상기 제 1 층간 수지 절연층과 상기 패드 상에 형성되며, 상기 패드에 도달하는 개구부를 갖는 솔더 레지스트층과,상기 개구부의 바닥부에 위치하고, 상기 패드 상에 형성되어 있는 보호막을 구비하는 다층 프린트 배선판으로서,상기 패드의 표면에, Sn, Ni, Zn, Co, Ti, Pd, Ag, Pt 및 Au 중 적어도 1 종의 금속을 포함하는 금속층이 형성되고,상기 금속층 상에 커플링제로 이루어지는 피막이 형성되고,상기 보호막의 적어도 일부는 상기 개구부에 의해 노출되는 상기 패드의 노출면에 직접 형성되어 있는 것을 특징으로 하는 다층 프린트 배선판.
- 제 1 항에 있어서,상기 보호막의 전체가 상기 개구부에 의해 노출되는 상기 패드의 노출면에 직접 형성되어 있는, 다층 프린트 배선판.
- 제 1 항 또는 제 2 항에 있어서,상기 패드는, 상기 층간 수지 절연층 상에 형성되어 있는 무전해 도금막과 당해 무전해 도금막 상에 형성되어 있는 전해 도금막으로 이루어지고, 상기 보호막은 상기 패드를 구성하는 전해 도금막의 표면 상에 형성되어 있는, 다층 프린트 배선판.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 보호막은 상기 패드 상에 형성되어 있는 Ni 층과 상기 Ni 층 상에 형성되어 있는 Au 층을 갖고, 상기 Ni 층은 상기 개구부에 의해 노출되는 상기 패드의 노출면 상에 직접 형성되어 있는, 다층 프린트 배선판.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 금속층을 형성하는 금속의 산화물의 등전점은 5 이하인, 다층 프린트 배선판.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,상기 금속층은, Sn 을 함유하여 이루어지는, 다층 프린트 배선판.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,상기 패드의 표면은 실질적으로 평탄한, 다층 프린트 배선판.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 보호막 상에는 땜납 부재가 형성되어 있는, 다층 프린트 배선판.
- 층간 수지 절연층과 도체 회로가 교대로 적층되고, 그리고, 최외층의 상기 층간 수지 절연층 상에 전자 부품을 탑재하기 위한 패드를 구비하는 다층 배선층을 형성하는 공정과,상기 패드의 표면의 적어도 일부에, Sn, Ni, Zn, Co, Ti, Pd, Ag, Pt 및 Au 중 적어도 1 종의 금속을 포함하는 금속층을 형성하는 공정과,상기 금속층 상에 커플링제로 이루어지는 피막을 형성하는 공정과,상기 최외층의 층간 수지 절연층과 상기 패드 상에, 솔더 레지스트층을 형성함과 함께, 상기 솔더 레지스트층 중 상기 패드 상에 위치하는 지점에 당해 솔더 레지스트층을 관통하는 개구부를 형성하는 공정과,상기 개구부로부터 노출되는 상기 금속층을 제거하는 공정과,상기 개구부의 바닥부에 노출된 상기 패드 상에 보호막을 형성하는 공정을 구비하는 것을 특징으로 하는 다층 프린트 배선판의 제조 방법.
- 제 9 항에 있어서,상기 금속층을 제거하는 공정은, 에칭 용액을 이용하여 실시하는, 다층 프린트 배선판의 제조 방법.
- 제 9 항에 있어서,상기 금속층을 제거하는 공정은, 웨트 블라스트법을 이용하여 실시하는, 다층 프린트 배선판의 제조 방법.
- 제 9 항 내지 제 11 항 중 어느 한 항에 있어서,상기 패드의 표면에 Sn 도금을 실시함으로써 상기 금속층을 형성하는, 다층 프린트 배선판의 제조 방법.
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US8314340B2 (en) | 2012-11-20 |
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