DE69416380D1 - Elektronische Vorrichtung mit koplanarem Kühlkörper und elektrischen Kontakten - Google Patents
Elektronische Vorrichtung mit koplanarem Kühlkörper und elektrischen KontaktenInfo
- Publication number
- DE69416380D1 DE69416380D1 DE69416380T DE69416380T DE69416380D1 DE 69416380 D1 DE69416380 D1 DE 69416380D1 DE 69416380 T DE69416380 T DE 69416380T DE 69416380 T DE69416380 T DE 69416380T DE 69416380 D1 DE69416380 D1 DE 69416380D1
- Authority
- DE
- Germany
- Prior art keywords
- electronic device
- heat sink
- electrical contacts
- coplanar
- coplanar heat
- 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
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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
- H05K3/0061—Laminating printed circuit boards onto other substrates, e.g. metallic substrates onto a metallic substrate, e.g. a heat sink
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49861—Lead-frames fixed on or encapsulated in insulating substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/64—Impedance arrangements
- H01L23/66—High-frequency adaptations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid 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
- H05K3/30—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
- H05K3/3405—Edge mounted components, e.g. terminals
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48225—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
- H01L2224/48227—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 connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L24/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/162—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits the devices being mounted on two or more different substrates
-
- 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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
-
- 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
- H01L2924/161—Cap
- H01L2924/1615—Shape
- H01L2924/16152—Cap comprising a cavity for hosting the device, e.g. U-shaped cap
-
- 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
- H01L2924/181—Encapsulation
-
- 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
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
-
- 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
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
-
- 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
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10742—Details of leads
- H05K2201/10886—Other details
- H05K2201/10924—Leads formed from a punched metal foil
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
- H05K3/4015—Surface contacts, e.g. bumps using auxiliary conductive elements, e.g. pieces of metal foil, metallic spheres
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/155,879 US5457605A (en) | 1993-11-23 | 1993-11-23 | Electronic device having coplanar heatsink and electrical contacts |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69416380D1 true DE69416380D1 (de) | 1999-03-18 |
DE69416380T2 DE69416380T2 (de) | 1999-09-23 |
Family
ID=22557147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69416380T Expired - Fee Related DE69416380T2 (de) | 1993-11-23 | 1994-11-10 | Elektronische Vorrichtung mit koplanarem Kühlkörper und elektrischen Kontakten |
Country Status (4)
Country | Link |
---|---|
US (1) | US5457605A (de) |
EP (1) | EP0654821B1 (de) |
JP (1) | JP3230398B2 (de) |
DE (1) | DE69416380T2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2844316B2 (ja) * | 1994-10-28 | 1999-01-06 | 株式会社日立製作所 | 半導体装置およびその実装構造 |
JP3540471B2 (ja) * | 1995-11-30 | 2004-07-07 | 三菱電機株式会社 | 半導体モジュール |
GB2335075A (en) * | 1998-03-02 | 1999-09-08 | Ericsson Telefon Ab L M | Heat transfer from a single electronic device |
FR2777734B1 (fr) * | 1998-04-15 | 2004-07-09 | Sagem | Ensemble d'une carte de circuit imprime a composants de puissance et d'un radiateur pour la carte |
DE10101744C1 (de) | 2001-01-16 | 2002-08-08 | Siemens Ag | Elektronische Schalteinrichtung und Betriebsverfahren |
DE10160041A1 (de) * | 2001-12-06 | 2003-09-25 | Marconi Comm Gmbh | Elektronisches Schaltungsmodul und Verfahren zu dessen Montage |
US6683795B1 (en) * | 2002-04-10 | 2004-01-27 | Amkor Technology, Inc. | Shield cap and semiconductor package including shield cap |
FR2871534B1 (fr) * | 2004-06-15 | 2006-08-04 | Siemens Vdo Automotive Sas | Groupe moto ventilateur a commande electronique refroidie par air ambiant pulse |
EP1897146A2 (de) * | 2005-06-27 | 2008-03-12 | Lamina Lighting, Inc. | Lichtemissionsdiodenpackung und herstellungsverfahren dafür |
US7948076B2 (en) * | 2008-03-25 | 2011-05-24 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and vertical signal routing |
US8203167B2 (en) * | 2008-03-25 | 2012-06-19 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and adhesive between base and terminal |
US8067784B2 (en) * | 2008-03-25 | 2011-11-29 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and substrate |
US8269336B2 (en) * | 2008-03-25 | 2012-09-18 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and signal post |
US8378372B2 (en) | 2008-03-25 | 2013-02-19 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and horizontal signal routing |
US20110156090A1 (en) | 2008-03-25 | 2011-06-30 | Lin Charles W C | Semiconductor chip assembly with post/base/post heat spreader and asymmetric posts |
US8207553B2 (en) * | 2008-03-25 | 2012-06-26 | Bridge Semiconductor Corporation | Semiconductor chip assembly with base heat spreader and cavity in base |
US9018667B2 (en) * | 2008-03-25 | 2015-04-28 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and dual adhesives |
US8354688B2 (en) | 2008-03-25 | 2013-01-15 | Bridge Semiconductor Corporation | Semiconductor chip assembly with bump/base/ledge heat spreader, dual adhesives and cavity in bump |
US20100072511A1 (en) * | 2008-03-25 | 2010-03-25 | Lin Charles W C | Semiconductor chip assembly with copper/aluminum post/base heat spreader |
US8310043B2 (en) * | 2008-03-25 | 2012-11-13 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader with ESD protection layer |
US20100052005A1 (en) * | 2008-03-25 | 2010-03-04 | Lin Charles W C | Semiconductor chip assembly with post/base heat spreader and conductive trace |
US8193556B2 (en) * | 2008-03-25 | 2012-06-05 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and cavity in post |
US8212279B2 (en) * | 2008-03-25 | 2012-07-03 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader, signal post and cavity |
US8324723B2 (en) * | 2008-03-25 | 2012-12-04 | Bridge Semiconductor Corporation | Semiconductor chip assembly with bump/base heat spreader and dual-angle cavity in bump |
US20100181594A1 (en) * | 2008-03-25 | 2010-07-22 | Lin Charles W C | Semiconductor chip assembly with post/base heat spreader and cavity over post |
US20090284932A1 (en) * | 2008-03-25 | 2009-11-19 | Bridge Semiconductor Corporation | Thermally Enhanced Package with Embedded Metal Slug and Patterned Circuitry |
US8415703B2 (en) * | 2008-03-25 | 2013-04-09 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base/flange heat spreader and cavity in flange |
US8232576B1 (en) | 2008-03-25 | 2012-07-31 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and ceramic block in post |
US8531024B2 (en) * | 2008-03-25 | 2013-09-10 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and multilevel conductive trace |
US8314438B2 (en) * | 2008-03-25 | 2012-11-20 | Bridge Semiconductor Corporation | Semiconductor chip assembly with bump/base heat spreader and cavity in bump |
US8329510B2 (en) | 2008-03-25 | 2012-12-11 | Bridge Semiconductor Corporation | Method of making a semiconductor chip assembly with a post/base heat spreader with an ESD protection layer |
US8148747B2 (en) * | 2008-03-25 | 2012-04-03 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base/cap heat spreader |
US8525214B2 (en) | 2008-03-25 | 2013-09-03 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader with thermal via |
US8110446B2 (en) * | 2008-03-25 | 2012-02-07 | Bridge Semiconductor Corporation | Method of making a semiconductor chip assembly with a post/base heat spreader and a conductive trace |
US20110163348A1 (en) * | 2008-03-25 | 2011-07-07 | Bridge Semiconductor Corporation | Semiconductor chip assembly with bump/base heat spreader and inverted cavity in bump |
US8129742B2 (en) * | 2008-03-25 | 2012-03-06 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base heat spreader and plated through-hole |
US8288792B2 (en) * | 2008-03-25 | 2012-10-16 | Bridge Semiconductor Corporation | Semiconductor chip assembly with post/base/post heat spreader |
US20110278638A1 (en) | 2008-03-25 | 2011-11-17 | Lin Charles W C | Semiconductor chip assembly with post/dielectric/post heat spreader |
WO2010024233A1 (ja) * | 2008-08-27 | 2010-03-04 | 日本電気株式会社 | 機能素子を内蔵可能な配線基板及びその製造方法 |
US8324653B1 (en) | 2009-08-06 | 2012-12-04 | Bridge Semiconductor Corporation | Semiconductor chip assembly with ceramic/metal substrate |
JP5736716B2 (ja) * | 2010-10-15 | 2015-06-17 | 富士通株式会社 | 電子装置及びその製造方法、送受信装置 |
CN104883133A (zh) * | 2015-06-19 | 2015-09-02 | 苏州英诺迅科技股份有限公司 | 一种基于PCB工艺的GaAs和LDMOS/GaN混合集成微波放大器 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3958075A (en) * | 1974-11-11 | 1976-05-18 | Gentron Corporation | High power thick film circuit with overlapping lead frame |
US4298769A (en) * | 1979-12-14 | 1981-11-03 | Standard Microsystems Corp. | Hermetic plastic dual-in-line package for a semiconductor integrated circuit |
JPS59208756A (ja) * | 1983-05-12 | 1984-11-27 | Sony Corp | 半導体装置のパツケ−ジの製造方法 |
JPS6079750A (ja) * | 1983-10-05 | 1985-05-07 | Nec Corp | チツプキヤリヤ |
US4783697A (en) * | 1985-01-07 | 1988-11-08 | Motorola, Inc. | Leadless chip carrier for RF power transistors or the like |
GB2174538A (en) * | 1985-04-24 | 1986-11-05 | Stanley Bracey | Semiconductor package |
US4729061A (en) * | 1985-04-29 | 1988-03-01 | Advanced Micro Devices, Inc. | Chip on board package for integrated circuit devices using printed circuit boards and means for conveying the heat to the opposite side of the package from the chip mounting side to permit the heat to dissipate therefrom |
US4835598A (en) * | 1985-06-13 | 1989-05-30 | Matsushita Electric Works, Ltd. | Wiring board |
US5069626A (en) * | 1987-07-01 | 1991-12-03 | Western Digital Corporation | Plated plastic castellated interconnect for electrical components |
US5179039A (en) * | 1988-02-05 | 1993-01-12 | Citizen Watch Co., Ltd. | Method of making a resin encapsulated pin grid array with integral heatsink |
US4879633A (en) * | 1988-04-12 | 1989-11-07 | Kaufman Lance R | Direct bond circuit assembly with ground plane |
JPH01261848A (ja) * | 1988-04-13 | 1989-10-18 | Toshiba Corp | 半導体装置 |
US5075759A (en) * | 1989-07-21 | 1991-12-24 | Motorola, Inc. | Surface mounting semiconductor device and method |
US5012386A (en) * | 1989-10-27 | 1991-04-30 | Motorola, Inc. | High performance overmolded electronic package |
JPH0425036A (ja) * | 1990-05-16 | 1992-01-28 | Mitsubishi Electric Corp | マイクロ波半導体装置 |
US5105259A (en) * | 1990-09-28 | 1992-04-14 | Motorola, Inc. | Thermally enhanced semiconductor device utilizing a vacuum to ultimately enhance thermal dissipation |
US5172301A (en) * | 1991-10-08 | 1992-12-15 | Lsi Logic Corporation | Heatsink for board-mounted semiconductor devices and semiconductor device assembly employing same |
US5218516A (en) * | 1991-10-31 | 1993-06-08 | Northern Telecom Limited | Electronic module |
JPH05275581A (ja) * | 1992-03-27 | 1993-10-22 | Toshiba Corp | セラミックパッケージ |
US5307237A (en) * | 1992-08-31 | 1994-04-26 | Hewlett-Packard Company | Integrated circuit packaging with improved heat transfer and reduced signal degradation |
GB9219661D0 (en) * | 1992-09-17 | 1992-10-28 | Oxley Dev Company Limited | Ceramic microwave packages |
-
1993
- 1993-11-23 US US08/155,879 patent/US5457605A/en not_active Expired - Lifetime
-
1994
- 1994-11-10 DE DE69416380T patent/DE69416380T2/de not_active Expired - Fee Related
- 1994-11-10 EP EP94117752A patent/EP0654821B1/de not_active Expired - Lifetime
- 1994-11-21 JP JP30943494A patent/JP3230398B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3230398B2 (ja) | 2001-11-19 |
JPH07193187A (ja) | 1995-07-28 |
EP0654821B1 (de) | 1999-02-03 |
EP0654821A2 (de) | 1995-05-24 |
EP0654821A3 (de) | 1995-10-11 |
US5457605A (en) | 1995-10-10 |
DE69416380T2 (de) | 1999-09-23 |
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