JP5617028B2 - 金属張積層板、及びプリント配線板 - Google Patents
金属張積層板、及びプリント配線板 Download PDFInfo
- Publication number
- JP5617028B2 JP5617028B2 JP2013500867A JP2013500867A JP5617028B2 JP 5617028 B2 JP5617028 B2 JP 5617028B2 JP 2013500867 A JP2013500867 A JP 2013500867A JP 2013500867 A JP2013500867 A JP 2013500867A JP 5617028 B2 JP5617028 B2 JP 5617028B2
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- metal
- resin
- resin composition
- clad laminate
- Prior art date
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Images
Classifications
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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
- H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
-
- 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
- B32B15/08—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 of synthetic resin
-
- 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
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- 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
- H05K1/036—Multilayers with layers of different types
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- 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
- H05K1/0366—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement reinforced, e.g. by fibres, fabrics
-
- 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
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0209—Inorganic, non-metallic particles
-
- 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
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0275—Fibers and reinforcement materials
- H05K2201/029—Woven fibrous reinforcement or textile
-
- 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
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
Description
まず、中央層における樹脂組成物として、ビスフェノールA型メタクリレート(新中村化学工業株式会社製のNKオリゴ EA1020)35質量部、フェノールノボラックエポキシ樹脂(DIC株式会社製のEPICLON N740、1分子中に2個以上のエポキシ基を含有するエポキシ樹脂)35質量部、ラジカル重合型熱硬化性モノマーであるスチレン(新日鐵化学株式会社製)30質量部、ラジカル重合開始剤であるクメンハイドロパーオキサイド(CHP)(日油株式会社製のパークミルH−80)1質量部、硬化剤である2−エチル−4−メチルイミダゾール(2E4MZ)(四国化成株式会社製)1質量部、無機充填材である水酸化アルミニウム粒子(住友化学株式会社製のCL303)75質量部、無機充填材であるシリカ粒子(株式会社アドマテックス製のSO25R)65質量部、環状ホズファゼン化合物(大塚化学株式会社製のSPB100)18質量部からなる樹脂組成物を用意した。そして、中央層を形成するためのプリプレグとして、この樹脂組成物をガラスクロス(1504タイプ 平織り)に含浸させたプリプレグ(樹脂含浸基材)を用意した。
第1樹脂層における樹脂組成物、及び第2樹脂層における樹脂組成物として、無機充填材である水酸化アルミニウム粒子(住友化学株式会社製のCL303)の含有量を、45質量部から0質量部に、無機充填材であるエポキシシラン表面処理球状シリカ(株式会社アドマッテクス製のSC−2500−SEJ)の含有量を、75質量部から20質量部に、変更した樹脂組成物を用いたこと以外、実施例1と同様である。
第1樹脂層における樹脂組成物、及び第2樹脂層における樹脂組成物として、無機充填材である水酸化アルミニウム粒子(住友化学株式会社製のCL303)の含有量を、45質量部から0質量部に、無機充填材であるエポキシシラン表面処理球状シリカ(株式会社アドマッテクス製のSC−2500−SEJ)の含有量を、75質量部から400質量部に、変更した樹脂組成物を用いたこと以外、実施例1と同様である。
中央層、第1樹脂層、及び第2樹脂層の厚みを、それぞれ138μm、6μm、及び6μmとなるように、金属張積層板を製造したこと以外、実施例1と同様である。
中央層、第1樹脂層、及び第2樹脂層の厚みを、それぞれ20μm、20μm、及び20μmとなるように、金属張積層板を製造したこと以外、実施例1と同様である。
中央層、第1樹脂層、及び第2樹脂層の厚みを、それぞれ80μm、35μm、及び35μmとなるように、金属張積層板を製造したこと以外、実施例1と同様である。
中央層、第1樹脂層、及び第2樹脂層の厚みを、それぞれ260μm、20μm、及び20μmとなるように、金属張積層板を製造したこと以外、実施例1と同様である。
第1樹脂層における樹脂組成物及び第2樹脂層における樹脂組成物として、以下の組成物を用いたこと以外、実施例1と同様である。
第1樹脂層及び第2樹脂層を設けず、さらに、中央層の厚みを150μmになるように製造したこと以外、実施例1と同様である。
そして、得られた銅張積層板(金属張積層板)を以下のように評価した。
弾性率は、樹脂組成物の硬化物の弾性率と同様の方法により測定した。具体的には、得られた銅張積層板を、株式会社島津製作所製のオートグラフを用いて、25℃における曲げ弾性率を測定した。また、測定対象物である銅張積層板を、幅5mm×長さ50mm×厚み2mmとなるように切断したものを用いた。そして、測定条件としては、支点間距離が16.5mm、試験速度(クロスヘッドスピード)が0.5mm/分の測定条件で測定した。
得られた銅張積層板(長さ11mm×幅9mm)に、ダミーのランドパターン(直径φ0.45mm)を61個作製した。そのダミーのランドパターンを作成した銅張積層板の、ランドマークが形成されている領域に、ソルダーレジスト(PSR−4000 AUS−308)を塗布することによって、ダミーのランドパターンを作成した銅張積層板上にソルダーレジスト層を形成した。その際、直径φ0.45mmのランドパターン上に、直径φ0.40mmの開口部が形成されるように、ソルダーレジスト層を形成した。すなわち、ダミーのランドパターンを作成した銅張積層板に、ソルダーマスクデファインド(SMD)型の接続パッドが形成されるように、ソルダーレジスト層を形成した。そのように作製したものに、−65℃と125℃の冷熱衝撃を1000サイクル与えた。そして、ダミーのランドパターン上のソルダーレジスト表面を顕微鏡観察した。そして、クラックの有無を確認し、そのクラックの発生数を数えた。その発生数から、1000サイクル後のクラック発生率を算出した。
Claims (10)
- 絶縁層と、前記絶縁層の少なくとも一方の表面側に存在する金属層とを備え、
前記絶縁層が、中央層と、前記中央層の一方の表面側に存在する第1樹脂層と、前記中央層の他方の表面側に存在する第2樹脂層との少なくとも3つの層を積層したものであり、
前記中央層、前記第1樹脂層、及び前記第2樹脂層が、それぞれ樹脂組成物の硬化物を含有し、
前記中央層における樹脂組成物が、熱硬化性樹脂を含み、かつ、前記第1樹脂層及び前記第2樹脂層における樹脂組成物とは異なる樹脂組成物であり、
前記中央層に含まれる樹脂組成物の硬化物の弾性率が、前記第1樹脂層に含まれる樹脂組成物の硬化物及び前記第2樹脂層に含まれる樹脂組成物の硬化物のいずれの弾性率よりも低く、
前記第1樹脂層及び前記第2樹脂層の厚みが、それぞれ1〜25μmであることを特徴とする金属張積層板。 - 前記第1樹脂層に含まれる樹脂組成物の硬化物の弾性率及び前記第2樹脂層に含まれる樹脂組成物の硬化物の弾性率が、前記中央層に含まれる樹脂組成物の硬化物の弾性率に対して、それぞれ115〜900%である請求項1に記載の金属張積層板。
- 前記中央層が、繊維基材を含む請求項1又は請求項2に記載の金属張積層板。
- 前記第1樹脂層の厚み及び前記第2樹脂層の厚みが、前記中央層の厚みに対して、それぞれ5〜50%である請求項1〜3のいずれか1項に記載の金属張積層板。
- 前記絶縁層の厚みが、5μm以上200μm以下である請求項1〜4のいずれか1項に記載の金属張積層板。
- 前記中央層における樹脂組成物が、ラジカル重合型熱硬化性化合物を含む請求項1〜5のいずれか1項に記載の金属張積層板。
- 前記中央層における樹脂組成物が、液状樹脂組成物である請求項1〜6のいずれか1項に記載の金属張積層板。
- 前記第1樹脂層に含まれる樹脂組成物の硬化物の弾性率及び前記第2樹脂層に含まれる樹脂組成物の硬化物の弾性率が、それぞれ25℃において1GPa以上30GPa以下である請求項1〜7のいずれか1項に記載の金属張積層板。
- 前記金属層が、前記絶縁層の両面に配置される請求項1〜8のいずれか1項に記載の金属張積層板。
- 請求項1〜9のいずれか1項に記載の金属張積層板の金属層を部分的に除去することにより回路形成して得られたことを特徴とするプリント配線板。
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JP6735505B2 (ja) * | 2016-09-06 | 2020-08-05 | パナソニックIpマネジメント株式会社 | プリント配線板、プリント回路板、プリプレグ |
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JPWO2012114680A1 (ja) | 2014-07-07 |
WO2012114680A1 (ja) | 2012-08-30 |
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