JP2018533197A - 電気回路基板および同型の基板の製造方法 - Google Patents
電気回路基板および同型の基板の製造方法 Download PDFInfo
- Publication number
- JP2018533197A JP2018533197A JP2018500927A JP2018500927A JP2018533197A JP 2018533197 A JP2018533197 A JP 2018533197A JP 2018500927 A JP2018500927 A JP 2018500927A JP 2018500927 A JP2018500927 A JP 2018500927A JP 2018533197 A JP2018533197 A JP 2018533197A
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- Prior art keywords
- layer
- aluminum
- composite
- adhesive
- copper
- 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
Links
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Images
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- 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
-
- 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
- B32B2605/00—Vehicles
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- 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
- H05K2201/0104—Properties and characteristics in general
- H05K2201/0116—Porous, e.g. foam
-
- 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
- H05K2201/0335—Layered conductors or foils
- H05K2201/0338—Layered conductor, e.g. layered metal substrate, layered finish layer, layered thin film adhesion 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/03—Metal processing
- H05K2203/0315—Oxidising metal
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/1126—Firing, i.e. heating a powder or paste above the melting temperature of at least one of its constituents
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- Engineering & Computer Science (AREA)
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- Ceramic Engineering (AREA)
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- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
- Structure Of Printed Boards (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
代替の実施形態において、中間層はアルミニウム層によって形成され、そのアルミニウム層は、向かい合わせになっている2つの酸化アルミニウムから成る陽極絶縁層を作製するために反対側にある上側面上で陽極酸化される。
金属層7は例えば、追加のアルミニウム層またはアルミニウム板によって冷却するために形成される。
好ましい代替実施形態において、金属層7は冷却体を形成し、表面を拡大するために接着剤層の反対側にある表側面の断面を備え、特に形状、配置および現存する凸部の深さに関してはその断面は最も多くの様々な形態を有する。
第2複合層2’もまた銅層3’とそれに隣接するアルミニウム層4’とを備え、少なくとも銅層3’と反対側にあるアルミニウム層の上側面は陽極酸化されているので、酸化アルミニウムから成る各陽極酸化された絶縁層5’に変質する。複合体型で対向する絶縁層5および絶縁層5’は例えば接着剤層6を介して直接的に相互に接合している。2つの絶縁層5および絶縁層5’の提供により基板1の絶縁強度が向上する。
少なくとも部分的に現存するアルミニウム層4、4’、4”からのアルミニウムの溶解によるエッチング浴の汚染を回避できる。したがって、絶縁層5、5’、5に変質した後のアルミニウム層4、4’、4”の層厚は好ましくはそのまま最小限に保持される。
2 第1複合層
2’ 第2複合層
2” 第3複合層
3 3’3” 銅層
4 4’4” アルミニウム層
5 5’5” 陽極層および/またはアルミニウム酸化物の断熱層
6 6’6” 接着層
7 金属層
10 基板
11 ペーパーセラミック層
12 12’ 複合層
13 金属層、特に銅層
14 アルミニウム層
15 アルミニウム酸化物から成る陽極層および/または絶縁層
16 接着層
18 アルミニウムシリコン層
19 はんだ層
20 陽極浴
21 電解液
22 陰極
23 銅層および/または銅合金層
24 アルミニウム層および/またはアルミニウム合金層
25 複合層
26 補助電極
P 断面; 輪郭法
d1〜d6 層厚
U 直流電圧
X 距離
Claims (15)
- 圧延クラッドの後には、少なくとも銅層とそれに隣接するアルミニウム層とを備える圧延クラッドによって製造された少なくとも1つの第1複合層を備える電子回路基板であり、
少なくとも、銅層と反対側にあるアルミニウム層の上側面は酸化アルミニウムから成る各陽極酸化された絶縁層を作製するために陽極酸化されており、酸化アルミニウムから成る各陽極酸化された絶縁層は少なくとも接着剤層、少なくとも第2複合層あるいはペーパーセラミック層を介して金属層と結合している
電子回路基板。
- 第2複合層は第1複合層と同様に構成されることを特徴とする請求項1に記載の基板。
- 第2複合層は陽極層および/または絶縁層を備え、第1複合層および第2複合層の陽極層および/または絶縁層はそれぞれ少なくとも1つの接着剤層を介して結合されていることを特徴とする請求項1または2に記載の基板。
- 第1複合層と第2複合層は各自1つの接着剤層によって少なくとも1つの追加中間層を介してそれぞれ結合されている
ことを特徴とする請求項1または2に記載の基板。
- 中間層はアルミニウム層によって形成され、そのアルミニウム層は、向かい合わせになっている2つの酸化アルミニウムから成る陽極絶縁層を作製するために反対側にある上側面上で陽極酸化される
ことを特徴とする請求項4に記載の基板。
- 中間層は、アルミニウム層、銅層および追加のアルミニウム層を備える第3複合層によって形成され、銅層と反対側にあるアルミニウム層の面は2つの反対側にある酸化アルミニウムから成る陽極絶縁層を作製するためにそれぞれ陽極酸化する
ことを特徴とする請求項5に記載の基板。
- 第1複合層の酸化アルミニウムから成る陽極層および/または絶縁層は、接着剤層を介して中間層の酸化アルミニウムから成る1つの陽極絶縁層と結合し、第2複合層の酸化アルミニウムから成る陽極絶縁層は、追加の接着剤層を介して中間層の酸化アルミニウムから成る1つの陽極絶縁層と結合している
ことを特徴とする請求項5または6に記載の基板。
- 各アルミニウム層の層厚のほんの一部のみが陽極酸化され、少なくとも一部が変質したアルミニウム層によって製造された絶縁層の層厚は5μm〜50μmである
ことを特徴とする請求項1〜7に記載の基板。
- 基板の少なくとも1つのアルミニウム層は完全に陽極酸化されるので、アルミニウム層は完全に酸化アルミニウムから成る陽極絶縁層に変質する
ことを特徴とする請求項1〜8に記載の基板。
- 銅層は35μm〜2mmの層厚を備え、アルミニウム層は10μm〜300μmの層厚を備え、金属層の層厚は300μm〜50mmの層厚を備える
ことを特徴とする請求項1〜9に記載の基板。
- 少なくとも1つのアルミニウム層は陽極酸化工程の実行前に導入された断面を備え、また、例えば複数のピラミッド型またはプリズム型のくぼみを備える
ことを特徴とする請求項1〜10に記載の基板。
- 第1複合層および第2複合層は銅箔とアルミニウム箔を圧延クラッドすることにより製造される
ことを特徴とする請求項1〜11に記載の基板。
- エポキシ樹脂接着剤、アクリル接着剤層、またはポリウレタン接着剤から成る接着剤層を使用し、接着剤層を製造するために用いる接着剤は低い粘着度を有する
ことを特徴とする請求項1〜12に記載の基板。
- プリント配線、接触点、接触面および/または接続面を形成するために少なくとも1つの銅層が複数の金属被膜表面部分に構成される
ことを特徴とする請求項1〜13に記載の基板。
- 少なくとも1つの第1複合層は銅箔と少なくとも1つのアルミニウム箔を圧延クラッドにより製造され、少なくとも銅層とそれに隣接するアルミニウム層とを備え、少なくとも銅層と反対側にあるアルミニウム層の上側面は陽極酸化されているので、酸化アルミニウムから成る各陽極酸化された絶縁層を作製し、作製された酸化アルミニウムから成る各陽極酸化された絶縁層は少なくとも1つの金属層と共に接着剤層または少なくとも第2複合層を介して接着される
電気回路基板を製造する方法。
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DE102015111667.7A DE102015111667A1 (de) | 2015-07-17 | 2015-07-17 | Substrat für elektrische Schaltkreise und Verfahren zur Herstellung eines derartigen Substrates |
DE102015111667.7 | 2015-07-17 | ||
PCT/EP2016/067069 WO2017013073A1 (de) | 2015-07-17 | 2016-07-18 | Substrat für elektrische schaltkreise und verfahren zur herstellung eines derartigen substrates |
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2016
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Cited By (1)
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JP7335101B2 (ja) | 2019-06-25 | 2023-08-29 | 株式会社豊田中央研究所 | 電子機器用冷却モジュールおよびその製造方法 |
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KR20180030151A (ko) | 2018-03-21 |
US20180200989A1 (en) | 2018-07-19 |
KR102311944B1 (ko) | 2021-10-13 |
JP2018523593A (ja) | 2018-08-23 |
EP3325264A1 (de) | 2018-05-30 |
DE102015111667A1 (de) | 2017-01-19 |
WO2017013075A1 (de) | 2017-01-26 |
WO2017013073A1 (de) | 2017-01-26 |
US10940671B2 (en) | 2021-03-09 |
KR20180030150A (ko) | 2018-03-21 |
KR102295797B1 (ko) | 2021-08-31 |
CN107848246A (zh) | 2018-03-27 |
JP6894425B2 (ja) | 2021-06-30 |
EP3325265A1 (de) | 2018-05-30 |
CN107848245A (zh) | 2018-03-27 |
US20180200990A1 (en) | 2018-07-19 |
JP6803369B2 (ja) | 2020-12-23 |
US10821704B2 (en) | 2020-11-03 |
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