JP2006229034A - 配線基板とその製造方法 - Google Patents
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- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
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- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
- H05K3/181—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
- H05K3/182—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating characterised by the patterning method
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- Y10T29/49117—Conductor or circuit manufacturing
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- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
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- 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
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Abstract
【解決手段】シート状絶縁基材1の表裏両面に、所望の配線パターンを有する第1および第2のめっき下地層2、6を印刷形成する。これらのうち少なくとも一方のめっき下地層2を有するシート状絶縁基材1に針状部材3を挿通し、針状部材3の挿通部分にめっき下地層2を有する切片5を残存させつつ貫通孔4を形成する。めっき下地層2、6に無電解めっき処理を施して、金属めっき層からなる第1および第2の配線層7、8を形成すると同時に、切片5上のめっき下地層2、6を用いて貫通孔4内に第1および第2の配線層7、8間を接続する金属めっき層9を形成してスルーホール接続部とする。
【選択図】図2
Description
まず、電子写真式印刷に使用する金属微粒子含有トナーとして、クレゾールノボラック型エポキシ樹脂に平均粒子径が0.7μmの銅粉末を50質量%の比率で添加、混合したものを用意した。このような金属微粒子含有トナーを用いて、シート状絶縁基材の表面側に第1のめっき下地層を印刷形成した。シート状絶縁基材としては、厚さ50μmのガラス−エポキシシート(実施例1)、厚さ25μmのポリイミドシート(実施例2)、厚さ50μmのポリイミドシート(実施例3)、厚さ75μmのポリイミドシート(実施例4)、厚さ50μmのPETシート(実施例5)を用いた。また、金属微粒子含有トナーの印刷は解像度600dpiのオフィス用複写機を用いて行った。
まず、実施例1〜5と同様なシート状絶縁基材に対して、レーザ加工を適用して貫通孔を形成した。この際、レーザ出力を制御してテーパー状貫通孔を形成した。また、レーザによる加工角度を調整して全体傾斜貫通孔を形成した。これら傾斜状貫通孔を形成したシート状絶縁基材に、それぞれ実施例1〜5と同様な金属微粒子含有トナーを用いて第1および第2のめっき下地層を順に印刷形成した。この後、各シート状絶縁基材に実施例1〜5と同様にして無電解銅めっき処理を施して、それぞれ第1および第2の配線層とスルーホール接続部を形成した。このようにして得た各配線基板の導通検査を実施したところ、実施例1〜5と同様に良好な結果が得られた。
Claims (5)
- シート状絶縁基材と、
前記シート状絶縁基材の表裏両面に所望の配線パターンに応じて形成され、金属微粒子を含有する樹脂層からなる第1および第2のめっき下地層と、
前記第1および第2のめっき下地層上にそれぞれ形成された金属めっき層からなる第1および第2の配線層と、
前記シート状絶縁基材の表裏両面間を接続するように形成された貫通孔と、前記貫通孔の形成部分に前記シート状絶縁基材と連続した状態で残存させた切片と、前記切片の表面の少なくとも一部を覆うめっき下地層と、前記第1および第2の配線層間を接続するように前記切片上の前記めっき下地層を介して形成された金属めっき層とを有するスルーホール接続部と
を具備することを特徴とする配線基板。 - シート状絶縁基材と、
前記シート状絶縁基材の表裏両面に所望の配線パターンに応じて形成され、金属微粒子を含有する樹脂層からなる第1および第2のめっき下地層と、
前記第1および第2のめっき下地層上にそれぞれ形成された金属めっき層からなる第1および第2の配線層と、
前記シート状絶縁基材の表裏両面間を接続するように形成された傾斜状貫通孔と、前記傾斜状貫通孔の内壁面の少なくとも一部を覆うめっき下地層と、前記第1および第2の配線層間を接続するように前記傾斜状貫通孔の内壁面上の前記めっき下地層を介して形成された金属めっき層とを有するスルーホール接続部と
を具備することを特徴とする配線基板。 - 請求項1または請求項2記載の配線基板において、
前記スルーホール接続部は複数の前記貫通孔を有することを特徴とする配線基板。 - シート状絶縁基材の表裏両面に、所望の配線パターンを有する第1および第2のめっき下地層を印刷形成する工程と、
前記第1および第2のめっき下地層の少なくとも一方を有する前記シート状絶縁基材に針状部材を挿通し、前記針状部材の挿通部分に前記めっき下地層を有する切片を残存させつつ、前記シート状絶縁基材の表裏両面間を接続する貫通孔を形成する工程と、
前記めっき下地層に無電解めっきを施して、前記第1および第2のめっき下地層上に金属めっき層からなる第1および第2の配線層を形成すると共に、前記切片上の前記めっき下地層を用いて前記貫通孔内に前記第1および第2の配線層間を接続する金属めっき層を形成する工程と
を具備することを特徴とする配線基板の製造方法。 - シート状絶縁基材の表裏両面間を接続する傾斜状貫通孔を形成する工程と、
前記傾斜状貫通孔を有するシート状絶縁基材の表裏両面に、所望の配線パターンを有する第1および第2のめっき下地層を、前記傾斜状貫通孔の内壁面の少なくとも一部を覆いつつ印刷形成する工程と、
前記めっき下地層に無電解めっきを施して、前記第1および第2のめっき下地層上に金属めっき層からなる第1および第2の配線層を形成すると共に、前記傾斜状貫通孔の内壁面上に存在する前記めっき下地層を用いて前記傾斜状貫通孔内に前記第1および第2の配線層間を接続する金属めっき層を形成する工程と
を具備することを特徴とする配線基板の製造方法。
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Application Number | Priority Date | Filing Date | Title |
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JP2005042170A JP2006229034A (ja) | 2005-02-18 | 2005-02-18 | 配線基板とその製造方法 |
TW095103920A TW200638471A (en) | 2005-02-18 | 2006-02-06 | Wiring board and manufacturing method thereof |
US11/356,215 US7350297B2 (en) | 2005-02-18 | 2006-02-17 | Method of manufacturing a wiring substrate |
KR1020060015355A KR100681999B1 (ko) | 2005-02-18 | 2006-02-17 | 배선 기판과 그 제조 방법 |
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DE102011014820A1 (de) * | 2011-03-23 | 2012-09-27 | Giesecke & Devrient Gmbh | Substrat mit durchkontaktierten leitfähigen Strukturen und Verfahren zu dessen Herstellung |
GB2562768A (en) * | 2017-05-25 | 2018-11-28 | Saralon Gmbh | Method of producing an electrical through connection between opposite surfaces of a flexible substrate |
JP7063095B2 (ja) * | 2018-05-07 | 2022-05-09 | 住友電気工業株式会社 | プリント配線板及びプリント配線板の製造方法 |
US11594477B2 (en) * | 2021-04-15 | 2023-02-28 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor package and method of manufacturing semiconductor package |
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JPH02192793A (ja) * | 1989-01-20 | 1990-07-30 | Casio Comput Co Ltd | 両面配線基板の製造方法 |
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JPH02246193A (ja) | 1989-03-17 | 1990-10-01 | Sharp Corp | フレキシブル両面回路基板の製造方法 |
JPH0368194A (ja) * | 1989-08-05 | 1991-03-25 | Nippon Mektron Ltd | 可撓性回路基板に於ける両面導通部の形成法 |
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JP2004048030A (ja) | 2002-07-15 | 2004-02-12 | Toshiba Corp | 電子回路の製造方法および電子回路の製造装置 |
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2005
- 2005-02-18 JP JP2005042170A patent/JP2006229034A/ja active Pending
-
2006
- 2006-02-06 TW TW095103920A patent/TW200638471A/zh not_active IP Right Cessation
- 2006-02-17 US US11/356,215 patent/US7350297B2/en active Active
- 2006-02-17 KR KR1020060015355A patent/KR100681999B1/ko not_active IP Right Cessation
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JPH0348495A (ja) * | 1989-07-17 | 1991-03-01 | Nec Corp | 多層セラミツク基板 |
JPH0483393A (ja) * | 1990-07-26 | 1992-03-17 | Casio Comput Co Ltd | 両面配線基板の製造方法 |
JPH05335712A (ja) * | 1992-06-01 | 1993-12-17 | Alps Electric Co Ltd | プリント配線板のスルーホールおよびその形成方法 |
JPH06188560A (ja) * | 1992-12-18 | 1994-07-08 | Toshiba Corp | プリント配線板の製造方法 |
JPH0964513A (ja) * | 1995-08-23 | 1997-03-07 | Japan Aviation Electron Ind Ltd | フレキシブルプリント基板の製法及びこの製法により形成されたフレキシブルプリント基板 |
JP2002198649A (ja) * | 2000-12-27 | 2002-07-12 | Kyocera Corp | 多層配線基板の製造方法 |
JP2002335059A (ja) * | 2001-05-10 | 2002-11-22 | Hitachi Cable Ltd | 配線基板及びその製造方法 |
Also Published As
Publication number | Publication date |
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US7350297B2 (en) | 2008-04-01 |
US20060194031A1 (en) | 2006-08-31 |
TWI296822B (ja) | 2008-05-11 |
KR100681999B1 (ko) | 2007-02-15 |
KR20060093050A (ko) | 2006-08-23 |
TW200638471A (en) | 2006-11-01 |
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