JP2017118037A - 配線回路基板 - Google Patents
配線回路基板 Download PDFInfo
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- JP2017118037A JP2017118037A JP2015254339A JP2015254339A JP2017118037A JP 2017118037 A JP2017118037 A JP 2017118037A JP 2015254339 A JP2015254339 A JP 2015254339A JP 2015254339 A JP2015254339 A JP 2015254339A JP 2017118037 A JP2017118037 A JP 2017118037A
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- insulating layer
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- thin film
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- 239000004020 conductor Substances 0.000 claims abstract description 74
- 230000000295 complement effect Effects 0.000 claims description 17
- 239000000725 suspension Substances 0.000 abstract description 26
- 239000000758 substrate Substances 0.000 abstract description 12
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 93
- 229910052751 metal Inorganic materials 0.000 description 65
- 239000002184 metal Substances 0.000 description 65
- 239000010409 thin film Substances 0.000 description 57
- 229920002120 photoresistant polymer Polymers 0.000 description 55
- 238000000034 method Methods 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- 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
- H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
-
- 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
- H05K3/06—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 the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/486—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives with provision for mounting or arranging electrical conducting means or circuits on or along the arm assembly
-
- 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
-
- 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
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/4853—Constructional details of the electrical connection between head and arm
-
- 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
- H05K1/0277—Bendability or stretchability details
-
- 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
- H05K1/0393—Flexible materials
-
- 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
- H05K2201/0191—Dielectric layers wherein the thickness of the dielectric plays an important role
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09045—Locally raised area or protrusion of insulating substrate
-
- 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
- H05K3/10—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
- H05K3/108—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 by semi-additive methods; masks therefor
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Abstract
Description
この回路付サスペンション基板1は、図4Lに示すように、金属支持基板2と、金属支持基板2の上に設けられるベース絶縁層3と、ベース絶縁層3の上に設けられる第1導体パターン4と、ベース絶縁層3の上に設けられ、第1導体パターン4を被覆する中間絶縁層5と、中間絶縁層5の上に配置される金属薄膜6および第2導体パターン7と、中間絶縁層5の上に設けられ、金属薄膜6および第2導体パターン7を被覆するカバー絶縁層9とを備える。この回路付サスペンション基板1では、金属薄膜6が第2導体パターン7と一体化、具体的には、金属薄膜6が第2導体パターン7の一部として取り込まれていてもよい。
回路付サスペンション基板1の製造方法では、工程(i)〜工程(iii)、工程(1)〜工程(6)、工程(iv)〜工程(vi)が順次実施される。以下、上記した各工程を詳述する。
図1Aに示すように、工程(i)では、金属支持基板2を用意する。
図1Bに示すように、工程(ii)では、ベース絶縁層3を金属支持基板2の上に設ける。
図1Cに示すように、工程(iii)では、第1導体パターン4をベース絶縁層3の上に設ける。
図1Dに示すように、工程(1)では、中間絶縁層5を、第1導体パターン4を被覆するように、ベース絶縁層3の上に設ける。
図2Eに示すように、工程(2)では、金属薄膜6を中間絶縁層5の少なくとも傾斜面17の上に設ける。
図2Fに示すように、工程(3)では、フォトレジスト10を金属薄膜6の上に設ける。
図2Gおよび図6Aに示すように、工程(4)では、フォトマスク13を、フォトレジスト10において予定部分12が遮光されるように配置して、フォトレジスト10を、フォトマスク13を介して露光する。
図3Hおよび図6Bに示すように、工程(5)では、フォトマスク13に遮光された、フォトマスク10の予定部分12を除去する。
図3Iおよび図6Bの仮想線に示すように、工程(6)では、第2導体パターン7を、フォトレジスト10から露出する金属薄膜6の上に設ける。
図3Jに示すように、工程(iv)では、フォトレジスト10を除去する。
図4Kに示すように、工程(v)では、フォトレジスト10に対応する金属薄膜6を除去する。
図4Lに示すように、工程(vi)では、カバー絶縁層9を、第2導体パターン7の第2配線26を被覆し、第2端子(図示せず)を露出するパターンで、設ける。
回路付サスペンション基板1が上記した製造方法で得られる。そのため、中間絶縁層5における傾斜面18と平坦面17とのなす角度αの補角y、すなわち、傾斜面18の平坦面17に対する斜度は、0度超過、さらには、5度以上である。また、補角yは、20度以下、好ましくは、20度未満、より好ましくは、15度以下、さらに好ましくは、12度以下である。
図7Aが参照される比較例1の、回路付サスペンション基板1の製造方法では、工程(1)において、中間絶縁層5の厚みT1の、第1導体パターン4の厚みT0に対する比(T1/T0)が上記した下限未満に設定されていれば、補角y’が上記した範囲を上回ってしまう。そのため、工程(4)において、図7Aに示すように、厚み方向において傾斜面18に対向する透光部分14に対して照射された光C(入射光C)と、そこで生成された反射光C’とのなす角度θ2が比較的大きくなる。そのため、反射光C’が、上方斜め幅方向一方側に向かい、予定部分12に向かうことが抑制されず、予定部分12を照射(露光)してしまう。その場合には、図7Bに示すように、工程(5)において、予定部分12を除去することができず、そのため、金属薄膜6を露出させることができない。そうすると、工程(6)の電解めっきにおいて、第2導体パターン7を確実に設けることができず、そのため、第2導体パターン7の断線などの形状不良を生ずる。
中間絶縁層5の傾斜面18は、第1導体パターン4の稜線部23に対応しているが、図8Aに示すように、傾斜面18が、第1導体パターン4に対応せず、単に、絶縁層の一例としてのベース絶縁層3が複数の厚みT3およびT4を有することによって、ベース絶縁層3が傾斜面18を形成することもできる。
図1Aに示すように、まず、厚み20μmのステンレスからなる金属支持基板2を用意した(工程(i))。
図1Dに示す工程(1)において、中間絶縁層5の厚みT1を12μmに変更し、厚みT2を8μmに変更し、さらに、角度αを160度に変更し、補角yを20度に変更した以外は、実施例1と同様に処理した。
図1Dに示す工程(1)において、中間絶縁層5の厚みT1を6μmに変更し、厚みT2を5μmに変更し、さらに、角度αを150度に変更し、補角yを30度に変更した以外は、実施例1と同様に処理した。
3 ベース絶縁層3
5 中間絶縁層5
7 第2導体パターン7
17 平坦面
18 傾斜面18
α 角度
y 補角
Claims (1)
- 絶縁層と、前記絶縁層の上に設けられる導体パターンとを備え、
前記絶縁層は、傾斜面と、平坦面とを有し、
前記傾斜面と前記平坦面とのなす角度の補角yが、0度超過、20度以下であることを特徴とする、配線回路基板。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015254339A JP6927665B2 (ja) | 2015-12-25 | 2015-12-25 | 配線回路基板 |
US15/386,755 US10172234B2 (en) | 2015-12-25 | 2016-12-21 | Wired circuit board |
CN201611207902.8A CN106973513B (zh) | 2015-12-25 | 2016-12-23 | 配线电路基板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2015254339A JP6927665B2 (ja) | 2015-12-25 | 2015-12-25 | 配線回路基板 |
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JP2017118037A true JP2017118037A (ja) | 2017-06-29 |
JP6927665B2 JP6927665B2 (ja) | 2021-09-01 |
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JP2015254339A Active JP6927665B2 (ja) | 2015-12-25 | 2015-12-25 | 配線回路基板 |
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US (1) | US10172234B2 (ja) |
JP (1) | JP6927665B2 (ja) |
CN (1) | CN106973513B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019054242A (ja) * | 2017-09-15 | 2019-04-04 | Jsr株式会社 | 回路基板 |
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EP3447081B1 (en) | 2016-04-20 | 2021-03-31 | JSR Corporation | Polymer, composition, molded article, cured product, and laminate |
EP3683050A4 (en) | 2017-09-15 | 2021-06-23 | JSR Corporation | HIGH FREQUENCY CIRCUIT LAMINATE, ITS MANUFACTURING PROCESS, AND STATUS SHEET B |
US20230122858A1 (en) * | 2021-10-14 | 2023-04-20 | Compass Technology Company Limited | Method of Embedding a Multi-Layer Lithium Ion Battery on a Flexible Printed Circuit Board |
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JP2005019815A (ja) * | 2003-06-27 | 2005-01-20 | Seiko Epson Corp | 半導体装置およびその製造方法、回路基板ならびに電子機器 |
JP5484176B2 (ja) * | 2010-04-26 | 2014-05-07 | 日東電工株式会社 | 配線回路基板およびその製造方法 |
JP5829100B2 (ja) * | 2011-10-27 | 2015-12-09 | 日東電工株式会社 | 配線回路基板 |
US9301406B2 (en) * | 2011-10-27 | 2016-03-29 | Nitto Denko Corporation | Wired circuit board |
JP6085168B2 (ja) | 2012-12-26 | 2017-02-22 | 日東電工株式会社 | 回路付きサスペンション基板およびその製造方法 |
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- 2015-12-25 JP JP2015254339A patent/JP6927665B2/ja active Active
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- 2016-12-21 US US15/386,755 patent/US10172234B2/en active Active
- 2016-12-23 CN CN201611207902.8A patent/CN106973513B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004348846A (ja) * | 2003-05-21 | 2004-12-09 | Tdk Corp | 薄膜磁気ヘッドの製造方法 |
JP2009129490A (ja) * | 2007-11-21 | 2009-06-11 | Nitto Denko Corp | 配線回路基板 |
JP2015149118A (ja) * | 2015-05-28 | 2015-08-20 | 大日本印刷株式会社 | サスペンション用フレキシャー基板の製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2019054242A (ja) * | 2017-09-15 | 2019-04-04 | Jsr株式会社 | 回路基板 |
CN111108816A (zh) * | 2017-09-15 | 2020-05-05 | Jsr株式会社 | 电路基板 |
Also Published As
Publication number | Publication date |
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CN106973513B (zh) | 2021-02-05 |
US10172234B2 (en) | 2019-01-01 |
CN106973513A (zh) | 2017-07-21 |
JP6927665B2 (ja) | 2021-09-01 |
US20170188453A1 (en) | 2017-06-29 |
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