JPS61296800A - 設計変更用電極 - Google Patents

設計変更用電極

Info

Publication number
JPS61296800A
JPS61296800A JP60138722A JP13872285A JPS61296800A JP S61296800 A JPS61296800 A JP S61296800A JP 60138722 A JP60138722 A JP 60138722A JP 13872285 A JP13872285 A JP 13872285A JP S61296800 A JPS61296800 A JP S61296800A
Authority
JP
Japan
Prior art keywords
electrode
design change
insulating layer
connection pad
cut
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.)
Granted
Application number
JP60138722A
Other languages
English (en)
Other versions
JPH0440878B2 (ja
Inventor
金原 広治
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP60138722A priority Critical patent/JPS61296800A/ja
Priority to US06/875,670 priority patent/US4710592A/en
Priority to EP86108689A priority patent/EP0206337B1/en
Priority to DE8686108689T priority patent/DE3677417D1/de
Publication of JPS61296800A publication Critical patent/JPS61296800A/ja
Publication of JPH0440878B2 publication Critical patent/JPH0440878B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/11Printed elements for providing electric connections to or between printed circuits
    • H05K1/111Pads for surface mounting, e.g. lay-out
    • H05K1/112Pads for surface mounting, e.g. lay-out directly combined with via connections
    • H05K1/113Via provided in pad; Pad over filled via
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/52Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/538Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
    • H01L23/5382Adaptable interconnections, e.g. for engineering changes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0286Programmable, customizable or modifiable circuits
    • H05K1/0292Programmable, customizable or modifiable circuits having a modifiable lay-out, i.e. adapted for engineering changes or repair
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10Bump connectors; Manufacturing methods related thereto
    • H01L2224/15Structure, shape, material or disposition of the bump connectors after the connecting process
    • H01L2224/16Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
    • H01L2224/161Disposition
    • H01L2224/16151Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/16221Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/16225Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/095Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00 with a principal constituent of the material being a combination of two or more materials provided in the groups H01L2924/013 - H01L2924/0715
    • H01L2924/097Glass-ceramics, e.g. devitrified glass
    • H01L2924/09701Low temperature co-fired ceramic [LTCC]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/15Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/151Die mounting substrate
    • H01L2924/1517Multilayer substrate
    • H01L2924/15192Resurf arrangement of the internal vias
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0296Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
    • H05K1/0298Multilayer circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09372Pads and lands
    • H05K2201/09436Pads or lands on permanent coating which covers the other conductors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/095Conductive through-holes or vias
    • H05K2201/09563Metal filled via
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/40Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4038Through-connections; Vertical interconnect access [VIA] connections
    • H05K3/4076Through-connections; Vertical interconnect access [VIA] connections by thin-film techniques
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/46Manufacturing multilayer circuits
    • H05K3/4644Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49155Manufacturing circuit on or in base
    • Y10T29/49156Manufacturing circuit on or in base with selective destruction of conductive paths

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は配線基板上に形成される設計変更用電極に関す
る。
〔従来の技術〕
従来の多層配線基板における設計変更用!極の一例が、
IBM J、RE8.DEVELOP、VOL、26゜
先1.JAN、1982の第30頁〜第36頁に所載の
A、J、Blodgett等の“Termal Con
ductionModule : A High−Pe
rformance Mal t i layerCe
ramic Package”と題す石論文に、開示さ
れている。第3図はこのような電極を示す。この電極は
、集積回路チップまたはワイヤー(導電線)を接続する
接続部分31と、設計変更時にパッド間を切シ離す切断
部分32とから構成され、各部分31および32は層構
成も導体材料も同じであ)、構造上の差異はない。基板
上にこのような電極が形成されたあと、この電極および
他の必要部分を残して、絶縁膜によシ基板上が覆われる
〔発明か解決しようとする問題点〕
上述した従来の電極構造では、チップやワイヤーを半田
づけするときには、基板上の配線パターンに半田か流れ
ないよう設計変更電極上にソルダーダムを設ける必要が
ある。すなわち、電極形成後、ちらにソルダーダム形成
工程が必璧となる。
ソルダーダム形成工程では、パターン化、硬化および焼
成等の処理が必要であるため、設計震災電極の表面を酸
化物等を生じない金属で形成しなけれはならす、この結
果、半田ぬれ性や切断性を十分に満足する材料だけで電
極を形成することができないという欠点かある。
〔問題点を解決するだめの手段〕
本発明の電極は、基板上に形成した電極部と、該電極部
を少なくとも2つの部分に切断できるように該電極部の
一部を紐出させて該電極部を扱う絶縁層と、それぞれ前
記2つの部分に対向する前記絶縁層上の対応位置に形成
した少なくとも2つの接続用パッドと、前記接続用パッ
ドと前記電極部とを接続するよう前記絶縁〜を貫通する
ピアホールとから構成もれる。
〔実施例〕
次に本発明について図面を参照して詳細に説明する0 第1図を参照すると、本発明の一実施例は、内部に各種
の配線パターン(図示せず)を有する配線層部(基板)
11と、配線層部11上に形成され配線部分12および
切断部分13からなる電極部19と、電極部19を2つ
の部分に切断できるように電極部19の切断部分13を
紐出させて電極部19を覆う絶縁層14と、配線部分1
2に対向する絶縁層14上の対応位置に形成した2つの
接続用パッド18と、燐続用パッド18と配線部分12
とを電気的に接続するよう絶に層14を貫通するピアホ
ール16と、前記各種の配線パターンの一部と配線部分
12とを電気的に接続するピアホール17とから構成さ
れる。設計変更時には、電極部19は、露出部15を介
して超音波カッタやレーザー光線等により切断部分13
で切断できる。電極部19は、電気抵抗の低減および切
断の容易性を考慮して、スパッタリングによシ形成され
たクロムおよびパラジウム膜上に金をめっきすることに
よりm成される。パッド18は、半田ぬれ性を考慮し1
、スパッタリングにより形成されたクロム、パラジウム
および銅膜上に半田ぬれ性のよい銅をめっきすることに
より構成される。この方法では、銅層の形成か多層化の
最終工程となるため、銅の酸化等は全く発生しない。本
実施例では、絶縁層14かソルダーダムとして@き、半
田か他の配線パターンに流れるのを阻止している。
第2図を参照すると、本発明の第2の実施例の断面図を
第2図に示す。21から27は、接続用パッド28の構
成以外は第1の実施例と全同じ構成である。パッド28
は、クロム・パラジウム・銅スパッタ膜の上に銅・ニッ
ケル・金の多層めっきを行なうことによシ形成され、接
続用パッドを酸化等から保護している。本実施例でも、
電極の形成か多層化の最終工程となるため、金の熱拡散
熱I#I&率の遠いによる多層めっき間での剥れ等は全
く生じない。
〔発明の効果〕
以上、&明した↓うに、本発明は設計変更!極のチップ
およびワイヤー接続部を最上場に形成し、配線部分やパ
ターン切断部分をパッドの下に絶縁層を介し1形成する
ことによシ、接続性や切断性に対し1それぞれすぐれた
性質をもった金属を使っ1設計変Jl!電極を形成でき
るという効果がある。
【図面の簡単な説明】
第1図は本発明σノ第1の実施例の断面図、第2図は本
発明の第2の実施例の断面図および第3図1従来例を示
す斜視図である。 図において、11・・・・・・基板、12・・・・・・
配縁部分、13・・・・・・切断部分、14・・・・・
・絶縁層、15・・・・・・露出部、16・・・・・・
ピアホール、17・・・・・・ピアホール、18・・・
・・・パッド、28・・・・・・パッド、31・・・・
・・接続部%32・・・・・・切断部。       
   y−=1、代理人 弁理士  内 原   晋/
”   ’。 茅 l 閃 $ 2 図

Claims (4)

    【特許請求の範囲】
  1. (1)配線基板上に形成される設計変更用電極において
    、前記基板上に形成した電極部と、該電極部を少なくと
    も2つの部分に切断できるように該電極部の一部を露出
    させて該電極部を覆う絶縁層と、それぞれ前記2つの部
    分に対向する前記絶縁層上の対応位置に形成した少なく
    とも2つの接続用パッドと、前記接続用パッドと前記電
    極部とを接続するよう前記絶縁層を貫通するビアホール
    とから構成したことを特徴とする設計変更用電極。
  2. (2)前記接続用パッドと、前記切断部分とを異なる導
    電材料より形成したことを特徴とする特許請求の範囲第
    (1)項記載の設計変更用電極。
  3. (3)前記接続用パッドが銅を含むことを特徴とする特
    許請求の範囲第(1)項記載の設計変更用電極。
  4. (4)前記接続用パッドの表面の材料が貴金属であるこ
    とを特徴とする特許請求の範囲第(3)項記載の設計変
    更用電極。
JP60138722A 1985-06-25 1985-06-25 設計変更用電極 Granted JPS61296800A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP60138722A JPS61296800A (ja) 1985-06-25 1985-06-25 設計変更用電極
US06/875,670 US4710592A (en) 1985-06-25 1986-06-18 Multilayer wiring substrate with engineering change pads
EP86108689A EP0206337B1 (en) 1985-06-25 1986-06-25 Multilayer wiring substrate with engineering change pads
DE8686108689T DE3677417D1 (de) 1985-06-25 1986-06-25 Mehrschichtleitersubstrat mit kontaktflecken zum aendern von verbindungen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60138722A JPS61296800A (ja) 1985-06-25 1985-06-25 設計変更用電極

Publications (2)

Publication Number Publication Date
JPS61296800A true JPS61296800A (ja) 1986-12-27
JPH0440878B2 JPH0440878B2 (ja) 1992-07-06

Family

ID=15228614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60138722A Granted JPS61296800A (ja) 1985-06-25 1985-06-25 設計変更用電極

Country Status (4)

Country Link
US (1) US4710592A (ja)
EP (1) EP0206337B1 (ja)
JP (1) JPS61296800A (ja)
DE (1) DE3677417D1 (ja)

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JPH0271590A (ja) * 1988-09-06 1990-03-12 Mitsubishi Electric Corp ハイブリッドic用基板
JPH04132292A (ja) * 1990-09-21 1992-05-06 Nec Corp ポリイミド樹脂多層配線基板

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KR20060026130A (ko) * 2004-09-18 2006-03-23 삼성전기주식회사 칩패키지를 실장한 인쇄회로기판 및 그 제조방법
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US4447857A (en) * 1981-12-09 1984-05-08 International Business Machines Corporation Substrate with multiple type connections
US4489364A (en) * 1981-12-31 1984-12-18 International Business Machines Corporation Chip carrier with embedded engineering change lines with severable periodically spaced bridging connectors on the chip supporting surface
US4549200A (en) * 1982-07-08 1985-10-22 International Business Machines Corporation Repairable multi-level overlay system for semiconductor device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0271590A (ja) * 1988-09-06 1990-03-12 Mitsubishi Electric Corp ハイブリッドic用基板
JPH04132292A (ja) * 1990-09-21 1992-05-06 Nec Corp ポリイミド樹脂多層配線基板

Also Published As

Publication number Publication date
EP0206337B1 (en) 1991-02-06
US4710592A (en) 1987-12-01
EP0206337A3 (en) 1987-03-04
DE3677417D1 (de) 1991-03-14
JPH0440878B2 (ja) 1992-07-06
EP0206337A2 (en) 1986-12-30

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