JP4817418B2 - 回路装置の製造方法 - Google Patents
回路装置の製造方法 Download PDFInfo
- Publication number
- JP4817418B2 JP4817418B2 JP2005346916A JP2005346916A JP4817418B2 JP 4817418 B2 JP4817418 B2 JP 4817418B2 JP 2005346916 A JP2005346916 A JP 2005346916A JP 2005346916 A JP2005346916 A JP 2005346916A JP 4817418 B2 JP4817418 B2 JP 4817418B2
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- JP
- Japan
- Prior art keywords
- solder
- pad
- lead
- circuit device
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing of 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
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing of the conductive pattern
- H05K3/243—Reinforcing of the conductive pattern characterised by selective plating, e.g. for finish plating of 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0388—Other aspects of conductors
- H05K2201/0391—Using different types of conductors
-
- 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
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10954—Other details of electrical connections
- H05K2201/10969—Metallic case or integral heatsink of component electrically connected to a pad on PCB
-
- 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
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
-
- 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 resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/346—Solder materials or compositions specially adapted therefor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/071—Connecting or disconnecting
- H10W72/073—Connecting or disconnecting of die-attach connectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/30—Die-attach connectors
- H10W72/381—Auxiliary members
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/531—Shapes of wire connectors
- H10W72/5363—Shapes of wire connectors the connected ends being wedge-shaped
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/551—Materials of bond wires
- H10W72/552—Materials of bond wires comprising metals or metalloids, e.g. silver
- H10W72/5524—Materials of bond wires comprising metals or metalloids, e.g. silver comprising aluminium [Al]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/874—On different surfaces
- H10W72/884—Die-attach connectors and bond wires
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/754—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked insulating package substrate, interposer or RDL
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Description
本実施の形態では、図1を参照して、本発明の回路装置である混成集積回路装置10の構成を説明する。図1(A)は混成集積回路装置10の斜視図であり、図1(B)はその断面図であり、図1(C)はパッド18Aに固着されたヒートシンク14Dを示す断面図である。
本実施の形態では、図3から図8を参照して、上記した混成集積回路装置10の製造方法を説明する。
本工程では、基板16の表面に導電パターン18を形成する。図3(A)は本工程での基板16の平面図であり、図3(B)はその断面図である。
本工程では、パッド18Aおよび18Cの上面に半田19Aを形成する。
本工程では、小信号トランジスタ等を基板16に固着する。
本工程では、パッド18Aにヒートシンク14Dを載置する。
本工程では、リード11の固着および封止樹脂12の形成を行う。
本実施の形態では、混成集積回路装置を製造する他の製造方法を説明する。ここでは、半田ペーストを一括して溶融し、回路素子を固着している。
11 リード
12 封止樹脂
13 合金層
14A トランジスタ
14B チップ部品
14C トランジスタ
15A 太線
15B 細線
16 基板
17 絶縁層
18 導電パターン
18A、18B、18C パッド
18D 配線パターン
18E ボンディングパッド
19 半田
20 メッキ膜
21、21A、21B 半田ペースト
22 第1の配線層
23 第2の配線層
24 フラックス
Claims (8)
- 基板の上面に、一辺の長さが9mm以上の四角形形状に形成された第1パッドと、前記第1パッドよりも小さい第2パッドとを含む銅から成る導電パターンを形成し、ニッケルから成るメッキ膜で前記第1パッドの上面を被覆する工程と、
鉛フリーの半田粉を含む半田ペーストを前記メッキ膜の表面に塗布し、前記半田ペーストを加熱溶融することで、前記メッキ膜の上面に鉛フリー半田を溶着する工程と、
前記第2パッドの上面に半田ペーストを塗布して溶融することにより形成される半田を介して、小信号トランジスタまたはチップ部品を前記第2パッドに固着すると共に、前記第1パッドに溶着された前記鉛フリー半田が溶融される工程と、
パワートランジスタが実装されたヒートシンクを前記鉛フリー半田の上面に載置した後に、前記鉛フリー半田を溶融させることで、前記鉛フリー半田を介して前記ヒートシンクを前記第1パッドに固着する工程と、
を具備することを特徴とする回路装置の製造方法。 - 前記鉛フリー半田と前記メッキ膜との境界に、前記メッキ膜に含まれるニッケルと、前記鉛フリー半田に含まれる錫との金属間化合物から成る合金層が生成されることを特徴とする請求項1に記載の回路装置の製造方法。
- 前記メッキ膜は、電解メッキ法により形成されることを特徴とする請求項1または請求項2に記載の回路装置の製造方法。
- 前記鉛フリー半田と前記メッキ膜との間に生成される合金層の表面は、粗面であることを特徴とする請求項1から請求項3の何れかに記載の回路装置の製造方法。
- 前記半田ペーストはフラックスと半田粉との混合物であり、
前記フラックスとして水溶性フラックスが採用されることを特徴とする請求項1から請求項4の何れかに記載の回路装置の製造方法。 - 前記鉛フリー半田を溶着する工程では、前記基板の裏面をヒータブロックで加熱することを特徴とする請求項1から請求項5の何れかに記載の回路装置の製造方法。
- 前記半田ペーストは硫黄を含むことを特徴とする請求項1から請求項6の何れかに記載の回路装置の製造方法。
- 前記基板およびその上面に実装された回路素子を封止樹脂で被覆する工程を更に具備することを特徴とする請求項1から請求項7の何れかに記載の回路装置の製造方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005346916A JP4817418B2 (ja) | 2005-01-31 | 2005-11-30 | 回路装置の製造方法 |
| CNB2006100057363A CN100449752C (zh) | 2005-01-31 | 2006-01-06 | 电路装置及其制造方法 |
| KR1020060007042A KR100758760B1 (ko) | 2005-01-31 | 2006-01-24 | 회로 장치 및 그 제조 방법 |
| US11/307,283 US7936569B2 (en) | 2005-01-31 | 2006-01-30 | Circuit device and method of manufacturing the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005023328 | 2005-01-31 | ||
| JP2005023328 | 2005-01-31 | ||
| JP2005346916A JP4817418B2 (ja) | 2005-01-31 | 2005-11-30 | 回路装置の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006237561A JP2006237561A (ja) | 2006-09-07 |
| JP4817418B2 true JP4817418B2 (ja) | 2011-11-16 |
Family
ID=37044825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005346916A Expired - Fee Related JP4817418B2 (ja) | 2005-01-31 | 2005-11-30 | 回路装置の製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7936569B2 (ja) |
| JP (1) | JP4817418B2 (ja) |
| KR (1) | KR100758760B1 (ja) |
| CN (1) | CN100449752C (ja) |
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-
2005
- 2005-11-30 JP JP2005346916A patent/JP4817418B2/ja not_active Expired - Fee Related
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2006
- 2006-01-06 CN CNB2006100057363A patent/CN100449752C/zh not_active Expired - Fee Related
- 2006-01-24 KR KR1020060007042A patent/KR100758760B1/ko not_active Expired - Fee Related
- 2006-01-30 US US11/307,283 patent/US7936569B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060088025A (ko) | 2006-08-03 |
| JP2006237561A (ja) | 2006-09-07 |
| KR100758760B1 (ko) | 2007-09-14 |
| US7936569B2 (en) | 2011-05-03 |
| US20070205017A1 (en) | 2007-09-06 |
| CN1819189A (zh) | 2006-08-16 |
| CN100449752C (zh) | 2009-01-07 |
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