JP6648832B2 - 多層基板およびその製造方法 - Google Patents
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- 239000000758 substrate Substances 0.000 title claims description 37
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000004020 conductor Substances 0.000 claims description 70
- 239000000463 material Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000010030 laminating Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 94
- 238000003475 lamination Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000002411 adverse Effects 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- 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
- H05K3/4652—Adding a circuit layer by laminating a metal foil or a preformed metal foil pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
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- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/024—Dielectric details, e.g. changing the dielectric material around a transmission line
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0373—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement containing additives, e.g. fillers
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- 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
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
-
- 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
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
-
- 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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4614—Manufacturing multilayer circuits by laminating two or more circuit boards the electrical connections between the circuit boards being made during lamination
- H05K3/462—Manufacturing multilayer circuits by laminating two or more circuit boards the electrical connections between the circuit boards being made during lamination characterized by laminating only or mainly similar double-sided circuit boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
-
- 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
- H05K2201/01—Dielectrics
- H05K2201/0183—Dielectric layers
- H05K2201/0195—Dielectric or adhesive layers comprising a plurality of layers, e.g. in a multilayer structure
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
Description
4層以上の絶縁基材に導体パターンを形成する工程と、
前記絶縁基材を、プリプレグ層を介して前記導体パターン同士が対向し、かつ前記プリプレグ層を挟んで対向する前記導体パターンが前記絶縁基材および前記プリプレグ層の積層方向から見て同一位置で重なる部分を有する状態で一括積層して積層体を形成する工程と、
前記積層体を加熱加圧する工程と、
を備え、
前記加熱加圧前の状態で、前記複数のプリプレグ層のうち、最外層のプリプレグ層の厚みを、それ以外のプリプレグ層の厚みより厚くしておくことを特徴とする。
4層以上の絶縁基材と、前記絶縁基材に形成された導体パターンと、前記絶縁基材同士の接合層である複数のプリプレグ層と、を有し、
前記導体パターンは、前記複数のプリプレグ層のうち最外層のプリプレグ層の両面に接する、前記絶縁基材の面に形成されていて、
前記複数のプリプレグ層のうち、最外層のプリプレグ層の厚みは、前記最外層以外のプリプレグ層である内層のプリプレグ層の厚みより厚く、
前記最外層のプリプレグ層の両面に接する前記導体パターンは、前記最外層のプリプレグ層を挟んで対向し、
前記内層のプリプレグ層の両面に接する前記導体パターンは、前記内層のプリプレグ層を挟んで対向し、
前記最外層のプリプレグ層を挟んで対向する導体パターンと、前記内層のプリプレグ層を挟んで対向する導体パターンとは、前記絶縁基材および前記プリプレグ層の積層方向から見て同一位置で重なる部分を有する、ことを特徴とする。
図1は第1の実施形態に係る多層基板の積層前の断面図である。図2は、各絶縁基材に形成された導体パターンの平面図である。図3は本実施形態に係る多層基板101の断面図である。
例えばFR−4(Flame Retardant Type 4)タイプの絶縁基材11,12,13,14に例えばCu箔を貼付し、このCu箔をフォトリソグラフィによりパターンニングすることで導体パターンをそれぞれ形成する。また、絶縁基材11,12,13にビアホールV1,V3,V5,V7を形成する。さらに、プリプレグ層31,32,33にビアホールV2,V4,V6,V7を形成する。
図1に示すように、絶縁基材11,12,13,14を、プリプレグ層31,32,33を介して導体パターン同士が対向する状態で積層して積層体を形成する。プリプレグ層31,32,33は例えばフッ素樹脂を含む熱硬化性接着剤である。絶縁基材11,12,13,14の比誘電率が3.0以上4.0以下であるのに対し、プリプレグ層31,32,33の比誘電率は2.0以上2.5以下、と低い。
上記積層体を、例えば150℃以上300℃未満の温度範囲で加熱し、4MPa以上10MPa未満の圧力で加圧する。
第2の実施形態では、複数の絶縁基材と、それらに形成される導体パターンの構成が第1の実施形態とは異なる例を示す。
11,12,13,14,15…絶縁基材
21T,22U,22T,23U,23T,24U,24T,25U…導体パターン
21Ua,21Ub…導体パターン
31,32,33,34…プリプレグ層
101,102…多層基板
Claims (4)
- 4層以上の絶縁基材に導体パターンを形成する工程と、
プリプレグ層を介して前記導体パターン同士が対向する状態で、前記絶縁基材を一括積層して積層体を形成する工程と、
前記積層体を加熱加圧する工程と、
を備え、
前記プリプレグ層のうち最外層のプリプレグ層の両面に接する前記導体パターンは、前記絶縁基材および前記プリプレグ層の積層方向から見て同一位置で重なる部分を有し、
前記加熱加圧前の状態で、前記最外層のプリプレグ層の厚みを、前記最外層以外のプリプレグ層である内層のプリプレグ層の厚みより厚くしておくことを特徴とする多層基板の製造方法。 - 4層以上の絶縁基材と、前記絶縁基材に形成された導体パターンと、前記絶縁基材同士の接合層である複数のプリプレグ層と、を有し、
前記導体パターンは、前記複数のプリプレグ層のうち最外層のプリプレグ層の両面に接する、前記絶縁基材の面にそれぞれ形成されていて、
前記最外層のプリプレグ層の厚みは、前記最外層以外のプリプレグ層である内層のプリプレグ層の厚みより厚く、
前記最外層のプリプレグ層の両面に接する前記導体パターンは、前記絶縁基材および前記プリプレグ層の積層方向から見て同一位置で重なる部分を有する、
多層基板。 - 前記プリプレグ層に接する前記導体パターンは、前記絶縁基材および前記プリプレグ層の積層方向にコイル軸を有するコイルを構成する、請求項2に記載の多層基板。
- 前記プリプレグ層の比誘電率は前記絶縁基材の比誘電率よりも小さい、請求項2または3に記載の多層基板。
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JP2016160591 | 2016-08-18 | ||
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PCT/JP2017/028207 WO2018034162A1 (ja) | 2016-08-18 | 2017-08-03 | 多層基板およびその製造方法 |
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JP6648832B2 true JP6648832B2 (ja) | 2020-02-14 |
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JP (1) | JP6648832B2 (ja) |
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US11799149B2 (en) | 2020-08-26 | 2023-10-24 | GM Global Technology Operations LLC | Energy storage assembly |
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US11581618B2 (en) | 2020-11-18 | 2023-02-14 | GM Global Technology Operations LLC | Thermomechanical fuses for heat propagation mitigation of electrochemical devices |
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JPH0832235A (ja) * | 1994-07-15 | 1996-02-02 | Toshiba Chem Corp | 多層プリント配線板の製造方法 |
JPH09129448A (ja) * | 1995-10-30 | 1997-05-16 | Toshiba Corp | インダクタおよびその製造方法 |
JPH09181447A (ja) * | 1995-12-22 | 1997-07-11 | Matsushita Electric Works Ltd | 多層積層板の製造方法 |
JP2001212823A (ja) | 2000-01-31 | 2001-08-07 | Matsushita Electric Works Ltd | 多層プリント配線板及びその製造方法並びに積層板の製造方法 |
JP2001250722A (ja) * | 2000-03-07 | 2001-09-14 | Tdk Corp | 高周波コイル |
JP2002134320A (ja) * | 2000-10-24 | 2002-05-10 | Tdk Corp | 高信頼性高q高周波コイル |
JP2002217035A (ja) * | 2001-01-18 | 2002-08-02 | Tdk Corp | 積層電子部品 |
JP3985633B2 (ja) | 2002-08-26 | 2007-10-03 | 株式会社日立製作所 | 低誘電正接絶縁材料を用いた高周波用電子部品 |
US8787030B2 (en) | 2008-10-30 | 2014-07-22 | Sumitomo Electric Industries, Ltd. | Multilayer circuit board with resin bases and separators |
JP5715237B2 (ja) | 2011-03-14 | 2015-05-07 | 株式会社村田製作所 | フレキシブル多層基板 |
WO2013146568A1 (ja) * | 2012-03-27 | 2013-10-03 | 株式会社村田製作所 | 電子部品 |
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CN209914236U (zh) | 2020-01-07 |
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WO2018034162A1 (ja) | 2018-02-22 |
US11523521B2 (en) | 2022-12-06 |
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