JP5146382B2 - 電子装置の製造方法 - Google Patents
電子装置の製造方法 Download PDFInfo
- Publication number
- JP5146382B2 JP5146382B2 JP2009075026A JP2009075026A JP5146382B2 JP 5146382 B2 JP5146382 B2 JP 5146382B2 JP 2009075026 A JP2009075026 A JP 2009075026A JP 2009075026 A JP2009075026 A JP 2009075026A JP 5146382 B2 JP5146382 B2 JP 5146382B2
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- Prior art keywords
- casing
- circuit board
- mold
- molding
- electronic component
- 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.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 229920005989 resin Polymers 0.000 claims description 79
- 239000011347 resin Substances 0.000 claims description 79
- 238000000465 moulding Methods 0.000 claims description 52
- 229920001187 thermosetting polymer Polymers 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 16
- 238000001721 transfer moulding Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 description 29
- 239000003822 epoxy resin Substances 0.000 description 18
- 229920000647 polyepoxide Polymers 0.000 description 18
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 229910000679 solder Inorganic materials 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
-
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3415—Surface mounted components on both sides of the substrate or combined with lead-in-hole components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
- H01L21/565—Moulds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/16227—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15313—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a land array, e.g. LGA
-
- 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
- H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
- H05K2203/1305—Moulding and encapsulation
- H05K2203/1316—Moulded encapsulation of mounted components
-
- 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
- H05K2203/14—Related to the order of processing steps
- H05K2203/1476—Same or similar kind of process performed in phases, e.g. coarse patterning followed by fine patterning
-
- 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
- H05K2203/15—Position of the PCB during processing
- H05K2203/1572—Processing both sides of a PCB by the same process; Providing a similar arrangement of components on both sides; Making interlayer connections from two sides
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49131—Assembling to base an electrical component, e.g., capacitor, etc. by utilizing optical sighting device
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49144—Assembling to base an electrical component, e.g., capacitor, etc. by metal fusion
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
- Y10T29/49146—Assembling to base an electrical component, e.g., capacitor, etc. with encapsulating, e.g., potting, etc.
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49165—Manufacturing circuit on or in base by forming conductive walled aperture in base
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Description
図1は、第1実施形態に係る電子キーの概略構成を示す断面図である。図2は、電子キーのうち、回路基板の概略構成を示す平面図である。図3〜図6は、電子キーの製造工程を示す断面図であり、そのうち、図3及び図4は第1成形工程を、図5は実装工程を、図6は第2成形工程を示している。
11・・・回路基板
11a・・・表面
11b・・・裏面
12・・・ケーシング
21・・・電子部品
30・・・第1ケーシング
31・・・第2ケーシング
100,110・・・金型
101,111・・・上型
102,112・・・下型
103,113・・・キャビティ
Claims (3)
- 表裏面に電子部品が実装された回路基板を、熱硬化性樹脂からなるケーシングにて封止してなる電子装置の製造方法であって、
前記表面のみに前記電子部品が実装された前記回路基板を、前記裏面が内面に密着するように金型のキャビティ内に保持した状態で、前記キャビティ内に前記熱硬化性樹脂を充填して固化させ、前記回路基板の裏面が外表面の一部をなすように、前記回路基板の表面及び該表面に実装された前記電子部品を封止する第1ケーシングを成形する第1成形工程と、
前記第1成形工程後、前記回路基板の裏面に前記電子部品を実装する実装工程と、
前記実装工程後、前記第1ケーシングの外表面が内面に密着するように前記回路基板を金型のキャビティ内に保持した状態で、前記キャビティ内に前記熱硬化性樹脂を充填して固化させ、前記第1ケーシングに密着して前記第1ケーシングとともに前記ケーシングをなすように、前記回路基板の裏面及び該裏面に実装された前記電子部品を封止する第2ケーシングを成形する第2成形工程と、を備え、
前記第2ケーシングの線膨張係数が、前記第1ケーシングの線膨張係数よりも小さいことを特徴とする電子装置の製造方法。 - 前記第1成形工程及び前記第2成形工程では、トランスファ成形法を用いることを特徴とする請求項1に記載の電子装置の製造方法。
- 前記ケーシングの形状がカード状であることを特徴とする請求項1又は請求項2に記載の電子装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009075026A JP5146382B2 (ja) | 2009-03-25 | 2009-03-25 | 電子装置の製造方法 |
US12/661,497 US8020289B2 (en) | 2009-03-25 | 2010-03-18 | Method of producing electronic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009075026A JP5146382B2 (ja) | 2009-03-25 | 2009-03-25 | 電子装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010232209A JP2010232209A (ja) | 2010-10-14 |
JP5146382B2 true JP5146382B2 (ja) | 2013-02-20 |
Family
ID=42782356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009075026A Expired - Fee Related JP5146382B2 (ja) | 2009-03-25 | 2009-03-25 | 電子装置の製造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8020289B2 (ja) |
JP (1) | JP5146382B2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014103183A (ja) * | 2012-11-19 | 2014-06-05 | Mitsubishi Electric Corp | 電子回路、その製造方法、および電子部品 |
JP6281178B2 (ja) * | 2013-01-31 | 2018-02-21 | 住友ベークライト株式会社 | 電子装置、自動車および電子装置の製造方法 |
DE102013002629A1 (de) * | 2013-02-15 | 2014-08-21 | HKR Seuffer Automotive GmbH & Co. KG | Deckelelement und Gehäusevorrichtung zur Verwendung des Deckelelements |
DE102013219992A1 (de) | 2013-10-02 | 2015-04-02 | Conti Temic Microelectronic Gmbh | Schaltungsvorrichtung und Verfahren zu deren Herstellung |
JP6098467B2 (ja) * | 2013-10-08 | 2017-03-22 | 株式会社デンソー | 電子装置の製造方法 |
JP6361861B2 (ja) * | 2014-03-25 | 2018-07-25 | セイコーエプソン株式会社 | 記録装置 |
JP6634316B2 (ja) * | 2016-03-04 | 2020-01-22 | 日立オートモティブシステムズ株式会社 | 樹脂封止型車載制御装置 |
TWI804619B (zh) | 2018-05-11 | 2023-06-11 | 義大利商坎帕克諾羅公司 | 設有電氣/電子系統的自行車曲柄臂 |
IT201800005297A1 (it) | 2018-05-11 | 2019-11-11 | Pedivella di bicicletta e relativa guarnitura | |
IT201800005302A1 (it) | 2018-05-11 | 2019-11-11 | Pedivella di bicicletta dal lato trasmissione, dotata di rilevatore di sforzi/deformazioni per un misuratore di coppia o di potenza, nonche' metodi correlati | |
IT201800005299A1 (it) | 2018-05-11 | 2019-11-11 | Componente di bicicletta dotato di sensore di sforzi/deformazioni compensato in temperatura | |
IT201800005294A1 (it) * | 2018-05-11 | 2019-11-11 | Componente di bicicletta in materiale composito e relativo processo di fabbricazione | |
KR102545290B1 (ko) * | 2018-08-29 | 2023-06-16 | 삼성전자주식회사 | 반도체 패키지 몰딩 장치 |
CN117596787A (zh) * | 2023-11-16 | 2024-02-23 | 云鲸智能技术开发(东莞)有限公司 | 清洁设备电路板及其灌封方法、灌封系统、清洁设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH063819B2 (ja) * | 1989-04-17 | 1994-01-12 | セイコーエプソン株式会社 | 半導体装置の実装構造および実装方法 |
JP2901356B2 (ja) * | 1991-02-07 | 1999-06-07 | 日本電気株式会社 | 混成集積回路 |
JPH05169885A (ja) * | 1991-12-26 | 1993-07-09 | Mitsubishi Electric Corp | 薄型icカード |
JPH06163812A (ja) * | 1992-11-26 | 1994-06-10 | Seiko Epson Corp | 半導体装置および半導体装置の製造方法 |
JPH08181414A (ja) | 1994-12-27 | 1996-07-12 | Hitachi Cable Ltd | 射出成形回路基板の製造方法 |
JPH08276458A (ja) | 1995-04-06 | 1996-10-22 | Dainippon Printing Co Ltd | 非接触icタグの製造方法及び非接触icタグ |
JP2006303106A (ja) | 2005-04-19 | 2006-11-02 | Denso Corp | 電子回路装置 |
JP4548199B2 (ja) | 2005-04-22 | 2010-09-22 | 株式会社デンソー | 電子回路装置の製造方法 |
JP4595655B2 (ja) * | 2005-04-28 | 2010-12-08 | 株式会社デンソー | 電子回路装置およびその製造方法 |
JP5077275B2 (ja) * | 2009-03-25 | 2012-11-21 | 株式会社デンソー | 電子装置の製造方法及び電子装置 |
-
2009
- 2009-03-25 JP JP2009075026A patent/JP5146382B2/ja not_active Expired - Fee Related
-
2010
- 2010-03-18 US US12/661,497 patent/US8020289B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20100242273A1 (en) | 2010-09-30 |
US8020289B2 (en) | 2011-09-20 |
JP2010232209A (ja) | 2010-10-14 |
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