JP2019510376A - 高速スイッチング機能を有する超接合パワー半導体デバイス - Google Patents
高速スイッチング機能を有する超接合パワー半導体デバイス Download PDFInfo
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- JP2019510376A JP2019510376A JP2018548852A JP2018548852A JP2019510376A JP 2019510376 A JP2019510376 A JP 2019510376A JP 2018548852 A JP2018548852 A JP 2018548852A JP 2018548852 A JP2018548852 A JP 2018548852A JP 2019510376 A JP2019510376 A JP 2019510376A
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Abstract
Description
10 上面
11 下部
12 多層ドリフト領域
14 デバイス層
16 n型チャージバランス(CB)層
16A 第1のCB層、下部CB層
16B 第2のCB層
18 n型SiCエピタキシャル層、p型エピ層
18A 第1のエピ層、下側エピ層
18B 第2のエピ層、下側エピ層
18C 第3のエピ層、上部エピ層
20 p型ウェル領域
22 n型ソース領域
24 誘電体層
26 ゲート電極
28 ソースコンタクト
30 基板層、基板
32 ドレインコンタクト
34 ソースコンタクト領域
36 ボディ領域
38 ボディコンタクト領域
40 チャネル領域
42 接合電界効果トランジスタ(JFET)領域
46 CB領域
46A CB領域
46B CB領域
48 残りの部分
70A 厚さ
70B 厚さ
70C 厚さ
72 厚さ
74 幅
76 間隔
80 SJデバイス
100 セグメント化接続領域
102 高濃度ドープ領域
104 深さ
110 幅
120 SJデバイス
140 距離
160 第1の接続領域
162 第2の接続領域
164 第3の接続領域
166 第4の接続領域
168 第5の接続領域
170 第1のCB領域
172 第2のCB領域
174 連続したCB領域
176 不連続なCB領域
178 距離
180 長さ
190 SJデバイス
200 等電位線
220 SJデバイス
222 第1の接続セグメント
224 第2の接続セグメント
226 距離
240 第1の接続セグメント
242 第1のCB領域
244 第2の接続セグメント
246 第2のCB領域
248 第3のCB領域
250 第4のCB領域
Claims (25)
- 第1の導電型を有するデバイス層(14)であって、前記デバイス層(14)は、前記デバイス層(14)の上面(10)内に配置された第2の導電型を有する上部領域を含む、デバイス層(14)と、
前記デバイス層(14)に隣接して配置されている、前記第1の導電型を有する第1のチャージバランス(CB)層(16A)であって、前記第1のCB層(16A)は、前記第2の導電型を有する第1の複数のチャージバランス(CB)領域を含む、第1のチャージバランス(CB)層(16A)と、
前記デバイス層(14)および前記第1のCB層(16A)内に配置されている前記第2の導電型を有する第1の接続領域(160)であって、前記第1の接続領域(160)は、前記デバイス層(14)の前記上部領域から前記第1のCB層(16A)の前記第1の複数のCB領域のうちの少なくとも第1のCB領域(170、242)まで延伸する、第1の接続領域(160)と
を備える、超接合(SJ)デバイス(8、80、120、190、220)。 - 前記第1の接続領域(160)の幅は、約1μm〜5μmである、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記第1の接続領域(160)のドーピング濃度は、約5×1015cm−3〜約4×1016cm−3である、請求項2に記載のSJデバイス(8、80、120、190、220)。
- 前記SJデバイス(8、80、120、190、220)は、前記デバイス層(14)および前記第1のCB層(16A)内に配置されている前記第2の導電型を有する第2の接続領域(162)を備え、前記第2の接続領域(162)は、前記デバイス層(14)の前記上部領域から前記第1の複数のCB領域のうちの少なくとも第2のCB領域(172、246)まで延伸する、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記第1の接続領域(160)と前記第2の接続領域(162)との間の間隔は、前記第1の接続領域(160)または前記第2の接続領域(162)の幅の5倍以上である、請求項4に記載のSJデバイス(8、80、120、190、220)。
- 前記第1の接続領域(160)および前記第2の接続領域(162)のドーピング濃度は、約4×1016cm−3〜約1×1017cm−3である、請求項5に記載のSJデバイス(8、80、120、190、220)。
- 前記デバイス層(14)および前記CB層(16)は、ワイドバンドギャップ半導体材料から作製される、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記デバイス層(14)および前記CB層(16)は、炭化ケイ素(SiC)から作製される、請求項7に記載のSJデバイス(8、80、120、190、220)。
- 前記SJデバイス(8、80、120、190、220)は、金属酸化膜半導体電界効果トランジスタ(MOSFET)、接合電界効果トランジスタ(JFET)、バイポーラ接合トランジスタ(BJT)、またはダイオードである、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記第1の接続領域(160)は、前記第1の複数のCB領域の前記第1のCB領域(170、242)の厚さを通じて延伸する、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記第1の接続領域(160)は、前記第1の接続領域(160)の幅よりも小さい距離だけ前記第1のCB領域(170、242)と重なる、請求項11に記載のSJデバイス(8、80、120、190、220)。
- 前記SJデバイス(8、80、120、190、220)は、前記第1のCB層(16A)に隣接して配置されている前記第1の導電型を有する第2のチャージバランス(CB)層(16B)を備え、前記第2のCB層(16B)は、前記第2の導電型を有する第2の複数のチャージバランス(CB)領域を備え、前記第1の接続領域(160)は、前記デバイス層(14)の前記上部領域から、前記第2のCB層(16B)の前記第2の複数のCB領域の少なくとも1つへと延伸する、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記第1の接続領域(160)は、前記デバイス層(14)の前記上部領域から前記第1のCB層(16A)の前記第1のCB領域(170、242)まで延伸する第1の接続セグメント(222、240)を備え、前記第1の接続領域(160)は、前記第1の領域(170、242)から前記第2のCB層(16B)の前記第2の複数のCB領域の第2のCB領域(172、246)へと延伸する第2の接続セグメント(224、244)を備え、前記第1の接続セグメント(222、240)および前記第2の接続セグメント(224、244)は隣接しない、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記上部領域は、ウェル領域(20)、電界効果トランジスタ(FET)のボディ領域(36)、または、接合障壁ショットキー(JBS)ダイオードもしくはマージドPiNショットキー(MPS)ダイオードの接合障壁領域を含む、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 前記SJデバイス(8、80、120、190、220)のスイッチング速度は1kHzより大きい、請求項1に記載のSJデバイス(8、80、120、190、220)。
- 少なくとも1つのチャージバランス(CB)層(16)を形成するために第2の導電型を有する複数のチャージバランス(CB)領域を含む第1の導電型を有する少なくとも1つのエピタキシャル(エピ)層(18)であって、前記複数のCB領域(46)の各々の厚さは、前記少なくとも1つのCB層(16)の厚さよりも小さい、少なくとも1つのエピタキシャル(エピ)層(18)と、
デバイス層(14)を形成するために前記少なくとも1つのCB層(16)に隣接して配置されている前記第1の導電型を有する上部エピタキシャル層であって、前記デバイス層(14)は、前記第2の導電型を有する上部領域を含む、上部エピタキシャル層と、
前記第2の導電型を有する接続領域(100)であって、前記接続領域(100)は、前記デバイス層(14)の前記上部領域から前記少なくとも1つのCB層(16)の前記複数のCB領域(46)の少なくとも1つへと延伸する、接続領域(100)と
を備える、超接合(SJ)デバイス(8、80、120、190、220)。 - 前記接続領域(100)の幅は、約1μm〜約5μmであり、前記接続領域(100)のドーピング濃度は、約1×1016cm−3〜約1×1017cm−3である、請求項16に記載のSJデバイス(8、80、120、190、220)。
- 前記SJデバイス(8、80、120、190、220)は、少なくとも2つのCB層(16)を形成するために前記第2の導電型を有するそれぞれの複数のCB領域(46)を含む、前記第1の導電型を有する少なくとも2つのエピ層(18)を備え、前記接続領域(100)は、前記少なくとも2つのCB層(16)の前記それぞれの複数のCB領域(46)の各々の少なくとも1つのCB領域(46)を通じて延伸する、請求項16に記載のSJデバイス(8、80、120、190、220)。
- 前記接続領域(100)は、前記少なくとも2つのCB層(16)のうちの第1のCB層(16A)の第1のCB領域(170、242)から、前記少なくとも2つのCB層(16)のうちの第2のCB層(16B)の第2のCB領域(172、246)まで延伸し、前記第2のCB層(16B)は前記第1のCB層(16A)に隣接している、請求項18に記載のSJデバイス(8、80、120、190、220)。
- 前記接続領域(100)は、前記上部領域から前記第1のCB領域(170、242)まで延伸する第1の接続セグメント(222、240)を備え、前記接続領域(100)は、前記第1のCB領域(170、242)から前記第2のCB領域(172、246)へと延伸する第2の接続セグメント(224、244)を備え、前記第1の接続セグメント(222、240)および前記第2の接続セグメント(224、244)は隣接しない、請求項19に記載のSJデバイス(8、80、120、190、220)。
- 前記接続領域(100)は、前記上部領域から前記第1のCB領域(170、242)まで延伸する第1の接続セグメント(222、240)を備え、前記接続領域(100)は、前記第1のCB領域(170、242)から前記第2のCB領域(172、246)へと延伸する第2の接続セグメント(224、244)を備え、前記第1の接続セグメント(222、240)および前記第2の接続セグメント(224、244)は隣接している、請求項19に記載のSJデバイス(8、80、120、190、220)。
- 前記接続領域(100)は、前記少なくとも1つのCB領域の前記厚さを通じて延伸する、請求項16に記載のSJデバイス(8、80、120、190、220)。
- 超接合(SJ)デバイス(8、80、120、190、220)の製造方法であって、
半導体基板層(30)の上部に第1の導電型を有する第1の半導体層を形成するステップであって、前記第1の半導体層はワイドバンドギャップ材料から形成される、第1の半導体層を形成するステップと、
前記第1の半導体層内に第2の導電型を有する第1の複数のチャージバランス(CB)領域を注入するステップと、
前記第1半導体層の上方に前記第1の導電型を有する第2の半導体層を形成するステップと、
前記第2の導電型を有する接続領域(100)を前記第2の半導体層内に注入するステップであって、前記接続領域(100)は、前記第2の半導体層を通じて延伸して、少なくとも前記第1の複数のCB領域の第1のCB領域(170、242)に電気的に接続する、接続領域(100)を注入するステップと、
前記接続領域(100)に隣接しかつ電気的に接続されている前記第2の半導体層に前記第2の導電型を有する上部領域を注入するステップであって、前記接続領域(100)は、前記上部領域から前記第1の複数のCB領域のうちの前記第1のCB領域(170、242)に延伸する、上部領域を注入するステップと
を含む、超接合(SJ)デバイスを製造する方法。 - 前記第1の複数のCB領域を注入するステップは、約1MeV未満の注入エネルギーを用いて注入するステップを含み、前記接続領域(100)を注入するステップは、約1MeV以上の注入エネルギーを用いて注入するステップを含む、請求項23に記載の方法。
- 前記方法は、前記第1の半導体層上に前記第1の導電型を有する第3の半導体層を形成するステップと、前記第2の半導体層が形成される前に前記第3の半導体層内に第2の導電型を有する第2の複数のCB領域を注入するステップとを含み、前記第3の半導体層は、前記ワイドバンドギャップ材料から形成され、前記接続領域(100)を注入するステップは、前記第2の複数のCB領域の第2のCB領域(172、246)の全厚さを通じて、前記第3の半導体層の全厚さを通じて、前記第1の複数のCB領域の前記第1のCB領域(170、242)へと前記接続領域(100)を注入するステップを含む、請求項23に記載の方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022502863A (ja) * | 2018-09-28 | 2022-01-11 | ゼネラル・エレクトリック・カンパニイ | 荷電平衡(cb)トレンチ−金属酸化物半導体−電界効果トランジスタ(mosfet)デバイスの製作技法 |
WO2023286235A1 (ja) * | 2021-07-15 | 2023-01-19 | 三菱電機株式会社 | 炭化珪素半導体装置および電力変換装置 |
JP2023508761A (ja) * | 2020-03-17 | 2023-03-03 | ヒタチ・エナジー・スウィツァーランド・アクチェンゲゼルシャフト | より緩やかな逆回復のために電荷キャリアを徐々に注入する半導体装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700073767A1 (it) | 2017-07-05 | 2019-01-05 | St Microelectronics Srl | Dispositivo mosfet di carburo di silicio avente un diodo integrato e relativo processo di fabbricazione |
US10600649B2 (en) * | 2017-09-21 | 2020-03-24 | General Electric Company | Systems and method for charge balanced semiconductor power devices with fast switching capability |
CN109979935A (zh) * | 2017-12-28 | 2019-07-05 | 富士电机株式会社 | 半导体装置及半导体装置的制造方法 |
US11233127B2 (en) * | 2018-01-22 | 2022-01-25 | Sumitomo Electric Industries, Ltd. | Silicon carbide semiconductor device |
JP7007971B2 (ja) * | 2018-03-29 | 2022-01-25 | ローム株式会社 | 半導体装置 |
US10636660B2 (en) | 2018-09-28 | 2020-04-28 | General Electric Company | Super-junction semiconductor device fabrication |
US10937869B2 (en) | 2018-09-28 | 2021-03-02 | General Electric Company | Systems and methods of masking during high-energy implantation when fabricating wide band gap semiconductor devices |
US11233157B2 (en) * | 2018-09-28 | 2022-01-25 | General Electric Company | Systems and methods for unipolar charge balanced semiconductor power devices |
US11069772B2 (en) * | 2018-12-14 | 2021-07-20 | General Electric Company | Techniques for fabricating planar charge balanced (CB) metal-oxide-semiconductor field-effect transistor (MOSFET) devices |
US10957759B2 (en) * | 2018-12-21 | 2021-03-23 | General Electric Company | Systems and methods for termination in silicon carbide charge balance power devices |
US11031472B2 (en) * | 2018-12-28 | 2021-06-08 | General Electric Company | Systems and methods for integrated diode field-effect transistor semiconductor devices |
CN110212015A (zh) * | 2019-04-30 | 2019-09-06 | 上海功成半导体科技有限公司 | 超结器件结构及其制备方法 |
CN112993008A (zh) * | 2019-12-13 | 2021-06-18 | 南通尚阳通集成电路有限公司 | 电荷平衡器件及其制造方法 |
CN113540209B (zh) * | 2021-06-04 | 2022-05-20 | 复旦大学 | 一种基于分布电容的辐射加固SiC器件结构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000101082A (ja) * | 1998-09-02 | 2000-04-07 | Siemens Ag | 半導体構成素子用の縁構造及びドリフト領域体及び半導体構成素子用の縁構造及びドリフト領域体の製造方法 |
JP2000294804A (ja) * | 1999-04-07 | 2000-10-20 | Fuji Electric Co Ltd | ショットキーバリアダイオードおよびその製造方法 |
JP2001313393A (ja) * | 2000-04-28 | 2001-11-09 | Toshiba Corp | 電力用半導体装置及びその駆動方法 |
US20020117715A1 (en) * | 1999-09-09 | 2002-08-29 | Klaus-Gunter Oppermann | Semiconductor component for high reverse voltages in conjunction with a low on resistance and method for fabricating a semiconductor component |
US20080303082A1 (en) * | 2007-06-05 | 2008-12-11 | Stmicroelectronics S.R.L. | Charge-balance power device comprising columnar structures and having reduced resistance |
JP2009259896A (ja) * | 2008-04-14 | 2009-11-05 | Denso Corp | 炭化珪素半導体装置の製造方法 |
JP2009543353A (ja) * | 2006-06-29 | 2009-12-03 | フェアチャイルド・セミコンダクター・コーポレーション | 直接的ソース‐ドレイン電流経路を有する横型トレンチゲートfet |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4797721A (en) * | 1987-04-13 | 1989-01-10 | General Electric Company | Radiation hardened semiconductor device and method of making the same |
US4965872A (en) * | 1988-09-26 | 1990-10-23 | Vasudev Prahalad K | MOS-enhanced, self-aligned lateral bipolar transistor made of a semiconductor on an insulator |
JP3380117B2 (ja) * | 1995-07-24 | 2003-02-24 | セイコーインスツルメンツ株式会社 | 半導体装置とその製造方法 |
US6037632A (en) | 1995-11-06 | 2000-03-14 | Kabushiki Kaisha Toshiba | Semiconductor device |
US6081009A (en) | 1997-11-10 | 2000-06-27 | Intersil Corporation | High voltage mosfet structure |
US6903373B1 (en) | 1999-11-23 | 2005-06-07 | Agere Systems Inc. | SiC MOSFET for use as a power switch and a method of manufacturing the same |
US6686616B1 (en) | 2000-05-10 | 2004-02-03 | Cree, Inc. | Silicon carbide metal-semiconductor field effect transistors |
EP1267415A3 (en) * | 2001-06-11 | 2009-04-15 | Kabushiki Kaisha Toshiba | Power semiconductor device having resurf layer |
US6979863B2 (en) | 2003-04-24 | 2005-12-27 | Cree, Inc. | Silicon carbide MOSFETs with integrated antiparallel junction barrier Schottky free wheeling diodes and methods of fabricating the same |
JP2005005385A (ja) | 2003-06-10 | 2005-01-06 | Toshiba Corp | 半導体装置 |
US20080014693A1 (en) | 2006-07-12 | 2008-01-17 | General Electric Company | Silicon carbide vertical mosfet design for fast switching applications |
JP2008108962A (ja) * | 2006-10-26 | 2008-05-08 | Toshiba Corp | 半導体装置 |
US8410489B2 (en) | 2009-04-30 | 2013-04-02 | Panasonic Corporation | Semiconductor element, semiconductor device, and power converter |
US8674439B2 (en) | 2010-08-02 | 2014-03-18 | Microsemi Corporation | Low loss SiC MOSFET |
JP5751213B2 (ja) | 2012-06-14 | 2015-07-22 | 株式会社デンソー | 炭化珪素半導体装置およびその製造方法 |
JP2014086569A (ja) | 2012-10-24 | 2014-05-12 | Renesas Electronics Corp | 縦型パワーmosfet |
CN105190852B (zh) | 2013-03-15 | 2018-09-11 | 美国联合碳化硅公司 | 改进的vjfet器件 |
US9741851B2 (en) * | 2013-05-13 | 2017-08-22 | Alpha And Omega Semiconductor Incorporated | Trench junction barrier controlled Schottky |
JP6139356B2 (ja) | 2013-09-24 | 2017-05-31 | トヨタ自動車株式会社 | 半導体装置 |
US9325279B1 (en) * | 2014-10-06 | 2016-04-26 | Cindy X. Qiu | Integrated power device with a metal oxynitride active channel for power switching and microwave amplification |
CN107004894B (zh) | 2015-08-05 | 2019-11-26 | 德国艾托特克公司 | 衬底支架接纳设备 |
DE102015116040A1 (de) * | 2015-09-23 | 2017-03-23 | Infineon Technologies Austria Ag | Halbleiterbauelemente und ein Verfahren zum Bilden von Halbleiterbauelementen |
-
2016
- 2016-03-22 US US15/077,579 patent/US10243039B2/en active Active
-
2017
- 2017-03-09 WO PCT/US2017/021489 patent/WO2017165123A1/en active Application Filing
- 2017-03-09 JP JP2018548852A patent/JP7046823B2/ja active Active
- 2017-03-09 CN CN201780019384.3A patent/CN108780806A/zh active Pending
- 2017-03-09 CN CN202311017276.6A patent/CN117219651A/zh active Pending
- 2017-03-09 EP EP17712633.1A patent/EP3433880B1/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000101082A (ja) * | 1998-09-02 | 2000-04-07 | Siemens Ag | 半導体構成素子用の縁構造及びドリフト領域体及び半導体構成素子用の縁構造及びドリフト領域体の製造方法 |
JP2000294804A (ja) * | 1999-04-07 | 2000-10-20 | Fuji Electric Co Ltd | ショットキーバリアダイオードおよびその製造方法 |
US20020117715A1 (en) * | 1999-09-09 | 2002-08-29 | Klaus-Gunter Oppermann | Semiconductor component for high reverse voltages in conjunction with a low on resistance and method for fabricating a semiconductor component |
JP2001313393A (ja) * | 2000-04-28 | 2001-11-09 | Toshiba Corp | 電力用半導体装置及びその駆動方法 |
JP2009543353A (ja) * | 2006-06-29 | 2009-12-03 | フェアチャイルド・セミコンダクター・コーポレーション | 直接的ソース‐ドレイン電流経路を有する横型トレンチゲートfet |
US20080303082A1 (en) * | 2007-06-05 | 2008-12-11 | Stmicroelectronics S.R.L. | Charge-balance power device comprising columnar structures and having reduced resistance |
JP2009259896A (ja) * | 2008-04-14 | 2009-11-05 | Denso Corp | 炭化珪素半導体装置の製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022502863A (ja) * | 2018-09-28 | 2022-01-11 | ゼネラル・エレクトリック・カンパニイ | 荷電平衡(cb)トレンチ−金属酸化物半導体−電界効果トランジスタ(mosfet)デバイスの製作技法 |
JP7257507B2 (ja) | 2018-09-28 | 2023-04-13 | ゼネラル・エレクトリック・カンパニイ | 荷電平衡(cb)トレンチ-金属酸化物半導体-電界効果トランジスタ(mosfet)デバイスの製作技法 |
JP2023508761A (ja) * | 2020-03-17 | 2023-03-03 | ヒタチ・エナジー・スウィツァーランド・アクチェンゲゼルシャフト | より緩やかな逆回復のために電荷キャリアを徐々に注入する半導体装置 |
JP7266761B2 (ja) | 2020-03-17 | 2023-04-28 | ヒタチ・エナジー・スウィツァーランド・アクチェンゲゼルシャフト | より緩やかな逆回復のために電荷キャリアを徐々に注入する半導体装置 |
WO2023286235A1 (ja) * | 2021-07-15 | 2023-01-19 | 三菱電機株式会社 | 炭化珪素半導体装置および電力変換装置 |
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CN117219651A (zh) | 2023-12-12 |
CN108780806A (zh) | 2018-11-09 |
EP3433880B1 (en) | 2023-12-20 |
JP7046823B2 (ja) | 2022-04-04 |
US20170278924A1 (en) | 2017-09-28 |
WO2017165123A1 (en) | 2017-09-28 |
EP3433880A1 (en) | 2019-01-30 |
US10243039B2 (en) | 2019-03-26 |
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