WO2005124862A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- WO2005124862A1 WO2005124862A1 PCT/JP2005/005691 JP2005005691W WO2005124862A1 WO 2005124862 A1 WO2005124862 A1 WO 2005124862A1 JP 2005005691 W JP2005005691 W JP 2005005691W WO 2005124862 A1 WO2005124862 A1 WO 2005124862A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor element
- insulating layer
- support plate
- main
- control
- Prior art date
Links
Classifications
-
- 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
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
-
- 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
- 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
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
-
- 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
- H01L2224/48245—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 metallic
- H01L2224/48257—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 metallic connecting the wire to a die pad of the item
-
- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- 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
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/18—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 subgroups of the same main group of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N
-
- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
Definitions
- the present invention relates to a semiconductor device, and more particularly to a semiconductor device capable of favorably thermally and electrically separating a power semiconductor element and a control IC.
- a semiconductor device in which a no-semiconductor element and its control IC are integrally packaged is known. Although not shown, this type of semiconductor device has a stacked structure in which a control IC is fixed on a power semiconductor element fixed on a support plate, and a power semiconductor element and a control IC arranged side by side on the support plate. There is an adjacent type structure that sticks.
- a semiconductor device having a stacked structure is disclosed in Patent Document 1 below.
- Patent Document 1 Patent No. 2,566,207, FIG. 4
- the power semiconductor element Since the power semiconductor element generates a larger amount of heat than the control IC, heat generated by the power semiconductor element is transmitted to the control IC, and the control IC may be heated. For this reason, depending on the function of the control IC, it may be desirable to thermally separate the power semiconductor element and the control IC. In some cases, the power semiconductor element or the supporting plate force control IC to which the power semiconductor element is fixed is desired to be electrically insulated well.
- An object of the present invention is to provide a semiconductor device that can thermally and electrically satisfactorily separate a power semiconductor element and a control IC.
- the semiconductor device of the present invention comprises a support plate (1) having heat dissipation and conductivity, a main semiconductor element (2) fixed to one main surface of the support plate (1), and a sub semiconductor element ( 4). At least one of the main semiconductor element (2) and the slave semiconductor element (4) is fixed to one main surface of the support plate (1) via an insulating member (3), and the insulating member (3) is The insulating layer (3a) fixed to (1) and the heat insulating layer (3b) fixed between the insulating layer (3a) and the main semiconductor element (2) or the sub semiconductor element (4). Prepare.
- the insulating member (3) makes it possible to thermally separate the main semiconductor element (2) and the sub-semiconductor element (4), and also to provide good electrical insulation.
- a highly reliable semiconductor device capable of preventing electrical characteristics of a slave semiconductor element from deteriorating due to heat generated by a main semiconductor element and achieving good electrical insulation between the master semiconductor element and the slave semiconductor element. Can be provided.
- FIG. 1 is a side view showing an embodiment of a semiconductor device of the present invention.
- FIG. 2 is a cross-sectional view showing an embodiment of a method for manufacturing an insulating member.
- FIG. 3 is a cross-sectional view showing an embodiment of another manufacturing method of the insulating member.
- FIG. 4 is a side view of a semiconductor device according to another embodiment of the present invention.
- the semiconductor device of the present invention comprises a support plate (1) having heat dissipation and conductivity, and an insulating member ( The control IC (2) as the main semiconductor element fixed via 3) is separated from the insulating member (3) by conductive adhesive or solder (5) on one main surface of the support plate (1).
- a power switching semiconductor element for example, a MOSFET (4), which is fixed as a slave semiconductor element, is provided with a thin lead wire (6) for electrically connecting the control IC (2) and the MOSFET (4).
- the support plate (1) is made of a metal having heat dissipation and conductivity, such as nickel-plated copper or aluminum, and the main electrode, that is, the drain electrode of the MOSFET (4) is electrically connected to the support plate (1). Is done.
- the insulating member (3) includes a dielectric layer (3a) as an insulating layer fixed to the support plate (1), and a dielectric layer. It has a two-layer structure of a high heat transfer resistance heat insulating layer (3b) that is fixed to the dielectric layer (3a) and supports the control IC (2) between (3a) and the control IC (2). .
- the dielectric layer (3a) is made of a dielectric film such as polyimide resin (Kapton film) having a relatively low bubble content or no bubbles or pinholes, and has an adhesive property of itself. Is bonded to the support plate (1).
- the dielectric layer (3a) which contains little or no bubbles, has good insulating properties.
- An adhesive tape may be provided below the dielectric layer (3a), and the dielectric layer (3a) may be bonded to the support plate (1) via the adhesive tape.
- the control IC (2) is fixed to the heat insulating layer (3b) by the adhesive (13) arranged between the heat insulating layer (3b) and the control IC (2).
- the heat insulating layer (3b) itself may be provided with adhesiveness, and the adhesive (13) may be omitted.
- the heat insulating layer (3b) is formed of a dielectric film having relatively many bubbles or a foamed resin such as a polyimide foam.
- the insulating layer (3b) may be formed using a tape containing air bubbles fixed to the dielectric layer (3a) .
- the insulating layer (3b) may be formed of the same polyimide resin or a different material as the dielectric layer (3a). 3b) may be formed. If the dielectric layer (3a) and the heat insulating layer (3b) are formed by a tape member forming an adhesive surface on the upper surface and the lower surface, the support plate (3 1)
- the control IC can be easily, firmly and quickly fixed. Alternatively, the dielectric layer (3a) and the heat insulating layer (3b) may be bonded together to form a chip-shaped insulating member (3).
- the MOSFET (4) Since the heat transfer resistance of the heat insulating layer (3b) containing bubbles is higher than that of the dielectric layer (3a) substantially containing no bubbles, the MOSFET (4) is The transmission of heat generation to the control IC (2) can be prevented. Similarly to the heat insulating layer (3b), if the dielectric layer (3a) is formed of a resin material containing bubbles (3c), the heat transfer resistance of the coating (7) further increases, but at the same time, the insulating member (3 ) The overall electrical insulation is reduced, and the electrical isolation between the support plate (1) and the control IC (2) cannot be satisfactorily achieved. Therefore, it is important that the thermal resistance of the heat insulating layer (3b) is higher than the thermal resistance of the dielectric layer (3a).
- Fig. 2 shows a pressure-sensitive adhesive resin tape (11) serving as a dielectric layer (3a) and a wavy resin (12) serving as a heat insulating layer (3b) pressed against the resin (12).
- 1 shows a first method of manufacturing an insulating member (3) in which voids forming bubbles (3c) are formed at regular intervals between a resin and a resin tape (11).
- Figure 3 shows the resin (11) that does not contain a foaming agent that forms the dielectric layer (3a) and the resin (12) that contains the foaming agent that forms the heat insulating layer (3b) is formed by caro-thermal bonding.
- a second manufacturing method of the insulating member (3) will be described. The foaming agent in the fat (12) is heated Expands to form bubbles (3c).
- An electrode (not shown) of the control IC (2) and a source electrode (not shown) of the MOSFET (4) are connected to a plurality of lead terminals (not shown) provided around the support plate (1).
- the lead terminal connected to the support plate (1) serves as a path for the current flowing through the support plate (1), that is, the main current (drain current) of the MOSFET (4).
- One end of the lead wire (6) is fixed to the electrode (not shown) on the control IC (2) by wire bonding, and the other end of the lead wire (6) is fixed to the gate electrode (not shown) on the MOSFET (4).
- the MOSFET (4) repeats the on-off operation and controls the operation of the MOSFET (4) by the drive signal of the control IC (2). Can be done.
- the MOSFET (4) is turned on, a drain current flows through the support plate (1) and the lead terminal, and the heat generated by the MOSFET (4) can be efficiently released from the support plate (1) via the solder (5). As a result, sufficient heat dissipation can be ensured and a large current can flow through the MOSFET (4).
- the insulating member (3) blocks the heat of the MOSFET (4) and does not transmit it to the control IC (2).
- the MOSFET (4) and the control IC (2) are completely electrically insulated by the dielectric layer (3a), an electrical short circuit between the MOSFET (4) and the control IC (2) occurs. Can be prevented.
- the insulating member (3) has a function of fixing the support plate (1) and the control IC (2), a function of thermally separating the MOSF ET (4) and the control IC (2), and a function of the MOSFET (4). And has a function of electrically separating the control IC (2) from the control IC (2).
- control IC (2) is sufficiently protected against heat generated from the MOSFET (4) by the insulating member (3), and the external force applied to the control IC (2) is flexible or cushioned. It can be alleviated by the insulating member (3) having the structure, and damage to the control IC (2) can be avoided.
- FIG. 1 shows an example in which the present invention is applied to an adjacent structure in which a MOSFET (4) and a control IC (2) are juxtaposed and fixed on a support plate (1).
- a semiconductor device is applied to a stacked structure in which a control IC (2) is fixed on a MOSFET (4) fixed on a support plate (1) via an insulating member (3).
- the MOSFET (4) is fixed to one main surface of the support plate (1) with a conductive adhesive or solder (5), and the one main surface of the MOSFET (4) is interposed with an insulating member (3).
- the electrodes of the control IC (2) and the electrodes of the MOSFET (4) are electrically connected by thin lead wires (6), and the support plate (1) is an external lead provided around the support plate (1) (7) (7a), and a current flows between the support plate (1) and the external lead (7a).
- Other electrodes of the control IC (2) are electrically connected to a plurality of external leads (7b) arranged around the support plate (1) by lead wires (8).
- the insulating member (3) includes a dielectric layer (3a) as an insulating layer fixed to one main surface of the MOSFET (4), and a dielectric layer (3a) and the control IC (2). And has a two-layer structure with a heat insulating layer (3b) having high heat transfer resistance and fixed to the dielectric layer (3a) and supporting the control IC (2).
- the dielectric layer (3a) is made of a dielectric film such as polyimide resin (capton film) having a relatively low bubble content or having no bubbles or pinholes, and is supported by its own adhesiveness. Glued to board (1).
- the dielectric layer (3a) which contains little or no bubbles, has good insulating properties.
- the heat insulating layer (3b) is formed of a dielectric film having relatively many bubbles or a foamed resin such as a polyimide foam, and does not transmit heat to the control IC (2) by cutting off the heat of the MOSFET (4). .
- the present invention is suitable for implementation in a semiconductor device including a power semiconductor element through which a relatively large current flows, and a control element that controls the power semiconductor element.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Die Bonding (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/592,445 US7759697B2 (en) | 2004-06-18 | 2005-03-28 | Semiconductor device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-180652 | 2004-06-18 | ||
JP2004180652A JP4135101B2 (ja) | 2004-06-18 | 2004-06-18 | 半導体装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005124862A1 true WO2005124862A1 (ja) | 2005-12-29 |
Family
ID=35510007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/005691 WO2005124862A1 (ja) | 2004-06-18 | 2005-03-28 | 半導体装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7759697B2 (ja) |
JP (1) | JP4135101B2 (ja) |
CN (1) | CN100470796C (ja) |
WO (1) | WO2005124862A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPR621501A0 (en) | 2001-07-06 | 2001-08-02 | Commonwealth Scientific And Industrial Research Organisation | Delivery of ds rna |
JP4852276B2 (ja) * | 2005-08-10 | 2012-01-11 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
JP5645245B2 (ja) * | 2010-02-23 | 2014-12-24 | パナソニックIpマネジメント株式会社 | 赤外線センサモジュール |
WO2013124940A1 (ja) * | 2012-02-23 | 2013-08-29 | パナソニック株式会社 | 樹脂封止型半導体装置及びその製造方法 |
JP2015056646A (ja) * | 2013-09-13 | 2015-03-23 | 株式会社東芝 | 半導体装置及び半導体モジュール |
DE112017008253T5 (de) * | 2017-12-05 | 2020-08-13 | Hamamatsu Photonics K.K. | Reflektierender räumlicher lichtmodulator, optische beobachtungsvorrichtung und lichtbestrahlungsvorrichtung |
US20220051962A1 (en) * | 2020-08-12 | 2022-02-17 | Micron Technology, Inc. | Semiconductor device assemblies and systems with internal thermal barriers and methods for making the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0493159U (ja) * | 1990-12-21 | 1992-08-13 | ||
JP2001110986A (ja) * | 1999-09-13 | 2001-04-20 | Fairchild Korea Semiconductor Kk | マルチチップパッケージ構造をもつ電力素子及びその製造方法 |
JP2004006564A (ja) * | 2002-03-28 | 2004-01-08 | Sharp Corp | 積層型半導体装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0493159A (ja) | 1990-08-09 | 1992-03-25 | Daishowa Seiki Co Ltd | 工具ホルダ |
US5739581A (en) * | 1995-11-17 | 1998-04-14 | National Semiconductor Corporation | High density integrated circuit package assembly with a heatsink between stacked dies |
JP3868755B2 (ja) * | 2001-04-05 | 2007-01-17 | アルプス電気株式会社 | サーマルヘッド及びその製造方法 |
JP4164874B2 (ja) * | 2004-05-31 | 2008-10-15 | サンケン電気株式会社 | 半導体装置 |
-
2004
- 2004-06-18 JP JP2004180652A patent/JP4135101B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-28 WO PCT/JP2005/005691 patent/WO2005124862A1/ja active Application Filing
- 2005-03-28 CN CNB2005800039439A patent/CN100470796C/zh not_active Expired - Fee Related
- 2005-03-28 US US10/592,445 patent/US7759697B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0493159U (ja) * | 1990-12-21 | 1992-08-13 | ||
JP2001110986A (ja) * | 1999-09-13 | 2001-04-20 | Fairchild Korea Semiconductor Kk | マルチチップパッケージ構造をもつ電力素子及びその製造方法 |
JP2004006564A (ja) * | 2002-03-28 | 2004-01-08 | Sharp Corp | 積層型半導体装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1914729A (zh) | 2007-02-14 |
US20070206358A1 (en) | 2007-09-06 |
JP4135101B2 (ja) | 2008-08-20 |
JP2006005203A (ja) | 2006-01-05 |
US7759697B2 (en) | 2010-07-20 |
CN100470796C (zh) | 2009-03-18 |
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