WO2014030254A1 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- WO2014030254A1 WO2014030254A1 PCT/JP2012/071453 JP2012071453W WO2014030254A1 WO 2014030254 A1 WO2014030254 A1 WO 2014030254A1 JP 2012071453 W JP2012071453 W JP 2012071453W WO 2014030254 A1 WO2014030254 A1 WO 2014030254A1
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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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
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- H10W70/65—
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- H10W72/851—
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- H10W76/12—
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- H10W90/00—
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- H10W90/701—
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0263—High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board
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- H10W40/255—
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- H10W72/5445—
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- H10W72/5473—
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- H10W72/5475—
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- H10W72/884—
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- H10W72/926—
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- H10W76/47—
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- H10W90/734—
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- H10W90/754—
Definitions
- the present invention relates to a semiconductor device for electric power used for motor control of electric railways, industrial equipment, consumer equipment and the like.
- Patent Document 1 Japanese Patent Application Publication No. 2000-082772
- the present invention has been made to solve the problems as described above, and an object thereof is to obtain a semiconductor device capable of reducing the cost and the number of parts and miniaturizing the device.
- a semiconductor device comprises first and second semiconductor modules each having a semiconductor chip, a case surrounding the semiconductor chip, and a main electrode connected to the semiconductor chip and drawn out on the upper surface of the case; A connection electrode connected and fixed to the main electrode of the first and second semiconductor modules is provided, and the connection electrode is made of only a metal plate.
- the cost and the number of parts can be reduced to miniaturize the apparatus.
- FIG. 1 is a circuit diagram showing a semiconductor device according to Embodiment 1 of the present invention.
- FIG. 1 is a perspective view showing a semiconductor device according to a first embodiment of the present invention.
- FIG. 1 is a cross-sectional view showing a semiconductor device according to Embodiment 1 of the present invention. It is a perspective view which shows the inside of the semiconductor module concerning Embodiment 1 of this invention.
- FIG. 6 is a circuit diagram showing a modification 1 of the semiconductor device according to the first embodiment of the present invention.
- FIG. 10 is a circuit diagram showing a modification 2 of the semiconductor device according to the first embodiment of the present invention.
- FIG. 16 is a circuit diagram showing a modification 3 of the semiconductor device according to the first embodiment of the present invention.
- FIG. 1 is a perspective view showing a semiconductor device according to a first embodiment of the present invention.
- FIG. 1 is a cross-sectional view showing a semiconductor device according to Embodiment 1 of the present invention. It is a perspective view
- FIG. 5 is a cross-sectional view showing a semiconductor device in accordance with a second embodiment of the present invention. It is sectional drawing which shows the semiconductor device concerning Embodiment 3 of this invention. It is sectional drawing which shows the semiconductor device concerning Embodiment 4 of this invention. It is sectional drawing which shows the semiconductor device concerning Embodiment 5 of this invention. It is sectional drawing which shows the semiconductor device concerning Embodiment 6 of this invention. It is a top view which shows the main electrode of the semiconductor device concerning Embodiment 7 of this invention. It is sectional drawing which shows the semiconductor device concerning Embodiment 8 of this invention.
- FIG. 1 is a circuit diagram showing a semiconductor device according to a first embodiment of the present invention.
- Two semiconductor modules 1a and 1b are connected in series.
- Each semiconductor module 1a, 1b has IGBT2 (Insulated Gate Bipolar Transistor) and FWD3 (Free Wheeling Diode) connected in parallel.
- IGBT2 Insulated Gate Bipolar Transistor
- FWD3 Free Wheeling Diode
- FIG. 2 is a perspective view showing the semiconductor device according to the first embodiment of the present invention.
- the collector main electrode 5 and the emitter main electrode 6 are drawn out on the upper surface of the case 4 of each of the semiconductor modules 1a and 1b.
- the collector main electrode 5 and the emitter main electrode 6 are connected to an external circuit or an adjacent semiconductor module.
- a connection electrode 7 formed only of a conductive plate such as Al or Cu is connected and fixed to the collector main electrode 5 of the semiconductor module 1a and the emitter main electrode 6 of the semiconductor module 1b with a bolt 8. Thereby, both main electrodes are electrically connected, and the semiconductor modules 1a and 1b are fixed to each other.
- FIG. 3 is a cross-sectional view showing the semiconductor device according to the first embodiment of the present invention.
- FIG. 4 is a perspective view showing the inside of the semiconductor module according to the first embodiment of the present invention.
- the insulating substrate 10 and the drive substrate 11 are mounted on the base plate 9 via the solder 12.
- the insulating substrate 10 is made of AlN, which is a material excellent in insulation and thermal conductivity. IGBT2 and FWD3 which are semiconductor chips are mounted on the insulating substrate 10.
- Metal platings 13 and 14 are provided on the insulating substrate 10.
- the collector electrode of the IGBT 2 and the cathode electrode of the FWD 3 are joined to the metal plating 13 by the solder 12.
- the emitter electrode of the IGBT 2 and the anode electrode of the FWD 3 are connected to the metal plate 14 by a wire 15.
- the collector main electrode 5 and the emitter main electrode 6 are connected to the metal platings 13 and 14 by the solder 12, respectively.
- the gate electrode of the IGBT 2 is connected to the drive substrate 11 by a wire 15.
- the drive substrate 11 is pulled out of the module through a metal electrode or a dedicated substrate.
- Drive substrate 11 has a resistor connected between the gate electrode of IGBT 2 and the gate drive circuit. By this resistance, it is possible to reduce the operation variation among the chips generated when a large number of IGBTs 2 are arranged in parallel.
- the case 4 surrounds the IGBT 2 and the FWD 3, and the sealing material 16 such as a resin seals the IGBT 2 and the FWD 3.
- the connection electrode 7 is connected and fixed to the collector main electrode 5 of the semiconductor module 1a and the emitter main electrode 6 of the semiconductor module 1b by inserting and tightening the bolt 8 in the nut on the case 4 side.
- the collector main electrode 5 of the semiconductor module 1 a and the emitter main electrode 6 of the semiconductor module 1 b are connected using the connection electrode 7. Since the rated current, the rated voltage, the circuit configuration and the like can be easily changed by changing the connection by the connection electrode 7, the design time can be shortened and the manufacturing control can be facilitated. And since it is sufficient to replace only the failed semiconductor modules 1a and 1B, it is not necessary to replace the entire device. As a result, costs can be reduced. Further, in the present embodiment, since the connection electrode 7 is formed of a conductive plate, the number of parts can be reduced as compared with the conventional wiring bus bar, and the apparatus can be miniaturized.
- FIG. 5 is a circuit diagram showing a first modification of the semiconductor device according to the first embodiment of the present invention.
- the semiconductor modules 1a and 1b are connected in parallel.
- FIG. 6 is a circuit diagram showing a modification 2 of the semiconductor device according to the first embodiment of the present invention.
- the collector main electrodes 5 of the semiconductor modules 1a and 1b are insulated from each other.
- FIG. 7 is a circuit diagram showing a third modification of the semiconductor device according to the first embodiment of the present invention.
- Three semiconductor modules 1a, 1b and 1c are connected in parallel. Thus, two or more semiconductor modules can be combined in series or in parallel.
- the upper surfaces of the collector main electrode 5 and the emitter main electrode 6 have no level difference with respect to the upper surface of the first case 4. This shortens the current path and reduces the wiring inductance.
- FIG. 8 is a cross-sectional view showing a semiconductor device according to the second embodiment of the present invention. Both ends of the connection electrode 7 are bent downward to form hooks 17. A groove 18 in which the hook portion 17 is hooked is provided on the upper surface of the case 4 of the semiconductor modules 1a and 1b. Thereby, positioning of semiconductor modules 1a and 1b becomes easy.
- FIG. 9 is a cross-sectional view showing a semiconductor device according to the third embodiment of the present invention.
- a recess 19 is provided on the top surface of the case 4.
- the collector main electrode 5 and the emitter main electrode 6 are drawn out to the bottom of the recess 19.
- the collector main electrode 5 and the emitter main electrode 6 and the connection electrode 7 are connected and fixed in the recess 19.
- FIG. 10 is a cross-sectional view showing a semiconductor device according to the fourth embodiment of the present invention.
- the emitter main electrode 6 of the semiconductor module 1b is drawn out to the upper surface of the case 4 of the semiconductor module 1b.
- the collector main electrode 5 of the semiconductor module 1a extends above the case 4 of the semiconductor module 1b and is connected and fixed to the emitter main electrode 6 of the semiconductor module 1b.
- connection part when the main electrode of one semiconductor module has the function of a connection electrode, a separate connection electrode becomes unnecessary for the connection of semiconductor modules. And, the workability is improved by the connection part being only one place.
- FIG. 11 is a cross-sectional view showing a semiconductor device according to the fifth embodiment of the present invention.
- the tip of the collector main electrode 5 of the semiconductor module 1 a is bent downward to form a hook 17.
- a groove 18 in which the hooking portion 17 is hooked is provided on the upper surface of the case 4 of the semiconductor module 1b. Thereby, positioning of semiconductor modules 1a and 1b becomes easy.
- FIG. 12 is a cross-sectional view showing a semiconductor device according to the sixth embodiment of the present invention.
- a recess 19 is provided on the top surface of the case 4 of the semiconductor module 1 b.
- the emitter main electrode 6 of the semiconductor module 1 b is drawn to the bottom of the recess 19.
- the collector main electrode 5 of the semiconductor module 1a and the emitter main electrode 6 of the semiconductor module 1b are connected and fixed.
- FIG. 13 is a top view showing the main electrode of the semiconductor device according to the seventh embodiment of the present invention.
- the collector main electrodes 5 and the emitter main electrodes 6 of the semiconductor modules 1a and 1b are connected by the bolt 8.
- the collector main electrodes 5 and the emitter mains of the semiconductor modules 1a and 1b are The electrodes 6 are of a plug-in type in which one is inserted into the other. This further facilitates connection and improves workability.
- FIG. 14 is a cross-sectional view showing a semiconductor device according to the eighth embodiment of the present invention.
- the insulating member 20 is fixed to the collector main electrode 5 and the emitter main electrode 6 of the semiconductor modules 1 a and 1 b by bolts 8.
- a convex portion 21 is provided on the outermost periphery of the top surface of the case 4 between the collector main electrode 5 and the emitter main electrode 6 of the semiconductor modules 1 a and 1 b.
- each of the semiconductor modules 1a and 1b includes the Si-IGBT and the Si diode.
- the semiconductor chip is not limited to the Si-IGBT, Si diode, SiC-IGBT, SiC-MOSFET, and SiC diode. Any one or a combination of these can be used.
- a semiconductor chip formed of SiC can be miniaturized because of its high withstand voltage and allowable current density. By using this miniaturized semiconductor chip, it is possible to miniaturize a semiconductor device incorporating this semiconductor chip.
- the heat resistance of the semiconductor chip is high, the heat radiation fins of the heat sink can be miniaturized, and the water cooling portion can be air cooled, so that the apparatus can be further miniaturized.
- the power loss of the semiconductor chip is low and the efficiency is high, the efficiency of the device can be increased.
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Abstract
Description
図1は、本発明の実施の形態1に係る半導体装置を示す回路図である。2つの半導体モジュール1a,1bが直列に接続されている。各半導体モジュール1a,1bは、並列に接続されたIGBT2(Insulated Gate Bipolar Transistor)とFWD3(Free Wheeling Diode)を有する。
図8は、本発明の実施の形態2に係る半導体装置を示す断面図である。接続電極7の両端が下方に曲がって引っ掛け部17になっている。引っ掛け部17が引っ掛かる溝18が半導体モジュール1a,1bのケース4の上面に設けられている。これにより、半導体モジュール1a,1b同士の位置決めが容易になる。
図9は、本発明の実施の形態3に係る半導体装置を示す断面図である。ケース4の上面に凹部19が設けられている。コレクタ主電極5とエミッタ主電極6は凹部19の底面に引き出されている。凹部19内においてコレクタ主電極5やエミッタ主電極6と接続電極7が接続及び固定されている。このようにコレクタ主電極5やエミッタ主電極6へのボルト8の取り付け位置を下げることで、半導体装置に隣接して接続された外部機器との絶縁距離を確保できるため、絶縁性能を向上することができる。
図10は、本発明の実施の形態4に係る半導体装置を示す断面図である。半導体モジュール1bのエミッタ主電極6は半導体モジュール1bのケース4の上面に引き出されている。半導体モジュール1aのコレクタ主電極5は、半導体モジュール1bのケース4の上方まで延びて、半導体モジュール1bのエミッタ主電極6に接続及び固定されている。
図11は、本発明の実施の形態5に係る半導体装置を示す断面図である。半導体モジュール1aのコレクタ主電極5の先端が下方に曲がって引っ掛け部17になっている。引っ掛け部17が引っ掛かる溝18が半導体モジュール1bのケース4の上面に設けられている。これにより、半導体モジュール1a,1b同士の位置決めが容易になる。
図12は、本発明の実施の形態6に係る半導体装置を示す断面図である。半導体モジュール1bのケース4の上面に凹部19が設けられている。半導体モジュール1bのエミッタ主電極6は凹部19の底面に引き出されている。凹部19内において半導体モジュール1aのコレクタ主電極5と半導体モジュール1bのエミッタ主電極6が接続及び固定されている。このようにコレクタ主電極5やエミッタ主電極6へのボルト8の取り付け位置を下げることで、半導体装置に隣接して接続された外部機器との絶縁距離を確保できるため、絶縁性能を向上することができる。
図13は、本発明の実施の形態7に係る半導体装置の主電極を示す上面図である。実施の形態4~6では半導体モジュール1a,1bのコレクタ主電極5とエミッタ主電極6はボルト8により接続されていたが、本実施の形態では半導体モジュール1a,1bのコレクタ主電極5とエミッタ主電極6は一方が他方に差し込まれる差し込み型になっている。これにより更に接続が容易になり、作業性が向上する。
図14は、本発明の実施の形態8に係る半導体装置を示す断面図である。絶縁部材20が半導体モジュール1a,1bのコレクタ主電極5とエミッタ主電極6にボルト8で固定される。半導体モジュール1a,1bのコレクタ主電極5とエミッタ主電極6の間においてケース4の上面の最外周部に凸部21が設けられている。これにより、電気的な接続を必要としない結線において、主電極間の沿面距離を伸ばすことで主電極間の絶縁性を向上することができる。
1b 半導体モジュール(第2の半導体モジュール)
2 IGBT(半導体チップ)
3 FWD(半導体チップ)
4 ケース
5 コレクタ主電極(主電極)
6 エミッタ主電極(主電極)
7 接続電極
17 引っ掛け部
18 溝
19 凹部
20 絶縁部材
21 凸部
Claims (9)
- 半導体チップと、前記半導体チップを囲むケースと、前記半導体チップに接続され前記ケースの上面に引き出された主電極とを有する第1及び第2の半導体モジュールと、
前記第1及び第2の半導体モジュールの前記主電極に接続及び固定された接続電極とを備え、
前記接続電極は金属板のみからなることを特徴とする半導体装置。 - 前記接続電極の両端が下方に曲がって引っ掛け部になっており、
前記引っ掛け部が引っ掛かる溝が前記第1及び第2の半導体モジュールの前記ケースの前記上面に設けられていることを特徴とする請求項1に記載の半導体装置。 - 前記ケースの前記上面に凹部が設けられ、
前記主電極は前記凹部の底面に引き出され、
前記凹部内において前記主電極と前記接続電極が接続及び固定されていることを特徴とする請求項1又は2に記載の半導体装置。 - 前記主電極の上面は前記ケースの前記上面に対して段差が無いことを特徴とする請求項1~3の何れか1項に記載の半導体装置。
- 半導体チップと、前記半導体チップを囲むケースと、前記半導体チップに接続され前記ケースから引き出された主電極とを有する第1及び第2の半導体モジュールを備え、
前記第2の半導体モジュールの前記主電極は、前記第2の半導体モジュールの前記ケースの上面に引き出され、
前記第1の半導体モジュールの前記主電極は、前記第2の半導体モジュールの前記ケースの上方まで延びて、前記第2の半導体モジュールの前記主電極に接続及び固定されていることを特徴とする半導体装置。 - 前記第1の半導体モジュールの前記主電極の先端が下方に曲がって引っ掛け部になっており、
前記引っ掛け部が引っ掛かる溝が前記第2の半導体モジュールの前記ケースの前記上面に設けられていることを特徴とする請求項5に記載の半導体装置。 - 前記第2の半導体モジュールの前記ケースの前記上面に凹部が設けられ、
前記第2の半導体モジュールの前記主電極は前記凹部の底面に引き出され、
前記凹部内において前記第1の半導体モジュールの前記主電極と前記第2の半導体モジュールの前記主電極が接続及び固定されていることを特徴とする請求項5又は6に記載の半導体装置。 - 前記第1及び第2の半導体モジュールの前記主電極は一方が他方に差し込まれる差し込み型になっていることを特徴とする請求項5~7の何れか1項に記載の半導体装置。
- 半導体チップと、前記半導体チップを囲むケースと、前記半導体チップに接続され前記ケースの上面に引き出された主電極とを有する第1及び第2の半導体モジュールと、
前記第1及び第2の半導体モジュールの前記主電極に固定される絶縁部材とを備え、
前記第1及び第2の半導体モジュールの前記主電極の間において前記ケースの前記上面に凸部が設けられていることを特徴とする半導体装置。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112012006842.4T DE112012006842B4 (de) | 2012-08-24 | 2012-08-24 | Halbleitervorrichtung |
| KR1020157002870A KR101642754B1 (ko) | 2012-08-24 | 2012-08-24 | 반도체장치 |
| JP2014531468A JP5854147B2 (ja) | 2012-08-24 | 2012-08-24 | 半導体装置 |
| CN201280075360.7A CN104584213B (zh) | 2012-08-24 | 2012-08-24 | 半导体装置 |
| PCT/JP2012/071453 WO2014030254A1 (ja) | 2012-08-24 | 2012-08-24 | 半導体装置 |
| US14/400,105 US9622368B2 (en) | 2012-08-24 | 2012-08-24 | Semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/JP2012/071453 WO2014030254A1 (ja) | 2012-08-24 | 2012-08-24 | 半導体装置 |
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| US (1) | US9622368B2 (ja) |
| JP (1) | JP5854147B2 (ja) |
| KR (1) | KR101642754B1 (ja) |
| CN (1) | CN104584213B (ja) |
| DE (1) | DE112012006842B4 (ja) |
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| WO2018066496A1 (ja) * | 2016-10-06 | 2018-04-12 | 株式会社日立製作所 | パワーモジュールおよび電力変換装置 |
| US10998309B2 (en) | 2018-09-14 | 2021-05-04 | Fuji Electric Co., Ltd. | Semiconductor unit, semiconductor module, and semiconductor device having terminal region extending in parallel to the transistors |
| US11289466B2 (en) | 2019-03-19 | 2022-03-29 | Fuji Electric Co., Ltd. | Semiconductor unit, semiconductor module, and semiconductor device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6631114B2 (ja) * | 2015-09-17 | 2020-01-15 | 富士電機株式会社 | 半導体装置及び半導体装置の計測方法 |
| DE112015006979B4 (de) * | 2015-09-28 | 2021-02-25 | Mitsubishi Electric Corporation | Halbleitervorrichtung |
| CN108475983B (zh) * | 2016-07-11 | 2020-07-28 | 富士电机株式会社 | 半导体装置及振动抑制装置 |
| JP6935405B2 (ja) * | 2016-09-06 | 2021-09-15 | 三洋電機株式会社 | バスバーの接続方法、プリント基板、及びスイッチ装置 |
| KR102794235B1 (ko) * | 2019-12-27 | 2025-04-15 | 삼성디스플레이 주식회사 | 표시 장치 |
| WO2024257265A1 (ja) * | 2023-06-14 | 2024-12-19 | 三菱電機株式会社 | 半導体装置 |
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- 2012-08-24 CN CN201280075360.7A patent/CN104584213B/zh active Active
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018066496A1 (ja) * | 2016-10-06 | 2018-04-12 | 株式会社日立製作所 | パワーモジュールおよび電力変換装置 |
| JP2018060928A (ja) * | 2016-10-06 | 2018-04-12 | 株式会社日立製作所 | パワーモジュールおよび電力変換装置 |
| US11296191B2 (en) | 2016-10-06 | 2022-04-05 | Hitachi, Ltd. | Power module and power converter |
| US10998309B2 (en) | 2018-09-14 | 2021-05-04 | Fuji Electric Co., Ltd. | Semiconductor unit, semiconductor module, and semiconductor device having terminal region extending in parallel to the transistors |
| US11289466B2 (en) | 2019-03-19 | 2022-03-29 | Fuji Electric Co., Ltd. | Semiconductor unit, semiconductor module, and semiconductor device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2014030254A1 (ja) | 2016-07-28 |
| CN104584213B (zh) | 2018-02-13 |
| DE112012006842T5 (de) | 2015-05-21 |
| US20150138733A1 (en) | 2015-05-21 |
| JP5854147B2 (ja) | 2016-02-09 |
| CN104584213A (zh) | 2015-04-29 |
| US9622368B2 (en) | 2017-04-11 |
| KR20150036347A (ko) | 2015-04-07 |
| KR101642754B1 (ko) | 2016-07-26 |
| DE112012006842B4 (de) | 2022-06-09 |
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