JP4349131B2 - バイポーラトランジスタの製造方法及び半導体装置の製造方法 - Google Patents
バイポーラトランジスタの製造方法及び半導体装置の製造方法 Download PDFInfo
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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Description
第1工程では、P型(100)シリコン基板1の表面を、フッ酸などの薬液によって酸化膜除去(犠牲酸化)した後に熱酸化を行い、250nm程度の酸化膜を形成する。次に、レジストパターンを用いたドライエッチングにより、SiGeHBT形成領域の酸化膜を開口する。次に1200℃程度でSb2O3を用いたSbの気相拡散により、N+埋め込み層10を形成する。その後、フッ酸などの薬液により基板表面の酸化膜を除去した後、エピタキシャル法で1.0Ω・cm、0.4μmのN型エピタキシャル層(以下「N−エピ」ともいう)11を形成する。次に、このN型エピタキシャル層11の表面に、一般的に用いられているLOCOS技術により300〜500nm程度のフィールド酸化膜12を形成する。
(第2工程 図2)
第2工程では、まず、減圧CVD法などで酸化膜を100nm程度形成後、850℃の窒素雰囲気中で30分程度熱処理を行う。
(第3工程 図3)
第3工程では、まず、TEOS(Tetla-Ethyl-Ortho-Silicate)を原料としたHDP−CVD法(高密度プラズマ化学気相成長法)などで酸化膜2を400〜1000nm程度形成する。この第3工程終了後における状態を図3に示す。
(第4工程 図4)
次に、レジストパターン3をマスクとして用いたドライエッチングにより、SiGeHBTのエミッタ電極引出用開口4と、ベース電極引出用開口5とを、前記酸化膜2に同時に並べて形成する。この第4工程終了後における状態を図4に示す。
(第5工程 図5)
次に、減圧CVD法などで400〜600nm程度の多結晶シリコン6を形成する。この第5工程終了後における状態を図5に示す。
(第6工程 図6)
次に、CMP(化学的機械的研磨)法を用いてエミッタ電極引出部40とベース電極引出部50とが分離して絶縁されるまで研磨する。例えば、前記ベース層18上の酸化膜2が150〜300nmになる程度に研磨するとともに、基板表面を研磨して平坦化する。なお、このとき、エミッタ電極引出部40とベース電極引出部50とを絶縁性を高めるために、前記研磨後、多結晶シリコン6にドライエッチングによるエッチバックを行い、酸化膜2の膜厚に対して多結晶シリコン6を掘り下げてもよい。この第6工程終了後における状態を図6に示す。
(第7工程 図7)
次に、減圧CVD法で汚染防止用の酸化膜を30nm程度形成した後、レジストパターンを用いてエミッタ電極引出部40となる多結晶シリコン6中に30〜40kev、1×1015〜1×1016/cm2程度でAs+をイオン注入する。次に、レジストパターンを用いて25〜40kev、1×1014〜5×1015/cm2程度でBF2+をベース電極引出部50にイオン注入し、このベース電極引出部50を形成する多結晶シリコン6を低抵抗化する。
(第8工程 図8)
その後の配線工程は、従来技術と同じ平坦化技術が適応されるものであるが、以下簡単に説明する。
2 酸化膜
3 レジストパターン(マスク)
4 エミッタ電極引出用開口
5 ベース電極引出用開口
18 ベース層
40 エミッタ電極引出部
50 ベース電極引出部
Claims (3)
- 半導体基板上に形成した酸化膜とこの酸化膜を開口して表面を露出させたコレクタ領域とにベース層をエピタキシャル法により成長させて、前記酸化膜の上に多結晶からなるベース層と前記コレクタ領域の上に単結晶からなるベース層とを同時に形成し、
次いで、前記ベース層の上に積層した絶縁膜にベース電極引出用開口とエミッタ電極引出用開口とを同時に形成し、
次いで、前記ベース電極引出用開口の前記多結晶からなるベース層の上に多結晶シリコンを積み増ししてベース電極引出部を、前記エミッタ電極引出用開口の前記単結晶からなるベース層の上に多結晶シリコンからなるエミッタ電極引出部を、それぞれ形成するバイポーラトランジスタの製造方法。 - 前記ベース電極引出部とエミッタ電極引出部とを、多結晶シリコンからなる同一の導電膜により同時に形成することを特徴とする請求項1記載のバイポーラトランジスタの製造方法。
- 半導体基板上に形成した酸化膜とこの酸化膜を開口して表面を露出させたコレクタ領域とにベース層をエピタキシャル法により成長させて、前記酸化膜の上に多結晶からなるベース層と、前記コレクタ領域の上に単結晶からなるベース層とを同時に形成し、前記多結晶からなるベース層をベース電極引出部としたバイポーラトランジスタを有する半導体装置の製造方法であって、前記バイポーラトランジスタに、前記ベース層を形成した後、このベース層の上に積層した絶縁膜にベース電極引出用開口とエミッタ電極引出用開口とを同時に形成し、次いで、前記ベース電極引出用開口内に多結晶のベース層上に積み増しするように多結晶シリコンからなるベース電極引出部を、前記エミッタ電極引出用開口内に前記単結晶のベース層上に多結晶シリコンからなるエミッタ電極引出部を、それぞれ形成する半導体装置の製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004004186A JP4349131B2 (ja) | 2004-01-09 | 2004-01-09 | バイポーラトランジスタの製造方法及び半導体装置の製造方法 |
KR1020067013009A KR20060107832A (ko) | 2004-01-09 | 2004-12-17 | 바이폴러 트랜지스터 및 이 바이폴러 트랜지스터를 가지는반도체장치와 이것들의 제조방법 |
EP04807297A EP1703565A4 (en) | 2004-01-09 | 2004-12-17 | BIPOLAR TRANSISTOR, THE SEMICONDUCTOR COMPONENT COMPRISING THE BIPOLAR TRANSISTOR AND MANUFACTURING METHOD THEREFOR |
PCT/JP2004/018939 WO2005067056A1 (ja) | 2004-01-09 | 2004-12-17 | バイポーラトランジスタ及びこのバイポーラトランジスタを有する半導体装置、並びにこれらの製造方法 |
US10/584,994 US20070126082A1 (en) | 2004-01-09 | 2004-12-17 | Bipolar transistor, semiconductor apparatus having the bipolar transistor, and methods for manufacturing them |
CNA2004800401251A CN1902759A (zh) | 2004-01-09 | 2004-12-17 | 双极晶体管、具有该双极晶体管的半导体装置、及其制造方法 |
TW094100424A TWI258805B (en) | 2004-01-09 | 2005-01-07 | Bipolar transistor, semiconductor device comprising the bipolar transistor and process for fabricating them |
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JP2004004186A JP4349131B2 (ja) | 2004-01-09 | 2004-01-09 | バイポーラトランジスタの製造方法及び半導体装置の製造方法 |
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US (1) | US20070126082A1 (ja) |
EP (1) | EP1703565A4 (ja) |
JP (1) | JP4349131B2 (ja) |
KR (1) | KR20060107832A (ja) |
CN (1) | CN1902759A (ja) |
TW (1) | TWI258805B (ja) |
WO (1) | WO2005067056A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US9540279B2 (en) | 2013-05-24 | 2017-01-10 | Corning Incorporated | Method of producing glass-ceramic |
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KR100832716B1 (ko) * | 2006-12-27 | 2008-05-28 | 동부일렉트로닉스 주식회사 | 바이폴라 트랜지스터 및 그 제조방법 |
KR100934797B1 (ko) * | 2007-12-27 | 2009-12-31 | 주식회사 동부하이텍 | 절연게이트 양극성 트랜지스터 및 그 제조방법 |
JP6542610B2 (ja) * | 2015-08-20 | 2019-07-10 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
CN106298513B (zh) * | 2016-08-31 | 2019-09-20 | 厦门市三安光电科技有限公司 | 一种hbt制造方法 |
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JPS57132357A (en) * | 1981-02-10 | 1982-08-16 | Oki Electric Ind Co Ltd | Manufacture of semiconductor element |
JP3024143B2 (ja) * | 1989-06-19 | 2000-03-21 | ソニー株式会社 | 半導体装置の製法 |
JP2940984B2 (ja) * | 1990-03-13 | 1999-08-25 | 沖電気工業株式会社 | BiCMOS型半導体集積回路の製造方法 |
JP3329332B2 (ja) * | 1990-08-31 | 2002-09-30 | ソニー株式会社 | 半導体装置の製法 |
JPH0567623A (ja) * | 1991-09-06 | 1993-03-19 | Nec Corp | 半導体装置の製造方法 |
JPH05226347A (ja) * | 1991-11-12 | 1993-09-03 | Nec Corp | 半導体装置 |
JPH06132295A (ja) * | 1992-10-22 | 1994-05-13 | Toshiba Corp | バイポーラトランジスタおよびその製造方法 |
JPH06275632A (ja) * | 1993-03-19 | 1994-09-30 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2970425B2 (ja) * | 1994-09-26 | 1999-11-02 | 日本電気株式会社 | バイポーラトランジスタの製造方法 |
US5834800A (en) * | 1995-04-10 | 1998-11-10 | Lucent Technologies Inc. | Heterojunction bipolar transistor having mono crystalline SiGe intrinsic base and polycrystalline SiGe and Si extrinsic base regions |
JPH10135238A (ja) * | 1996-11-05 | 1998-05-22 | Sony Corp | 半導体装置およびその製造方法 |
JP3104660B2 (ja) * | 1997-11-21 | 2000-10-30 | 日本電気株式会社 | 半導体装置およびその製造方法 |
US6885081B2 (en) * | 2000-11-13 | 2005-04-26 | Sharp Kabushiki Kaisha | Semiconductor capacitor device having reduced voltage dependence |
JP2002368120A (ja) * | 2001-06-12 | 2002-12-20 | Sony Corp | 半導体装置及びその製造方法 |
US6689688B2 (en) * | 2002-06-25 | 2004-02-10 | Advanced Micro Devices, Inc. | Method and device using silicide contacts for semiconductor processing |
US6890826B2 (en) * | 2002-08-23 | 2005-05-10 | Texas Instruments Incorporated | Method of making bipolar transistor with integrated base contact and field plate |
-
2004
- 2004-01-09 JP JP2004004186A patent/JP4349131B2/ja not_active Expired - Fee Related
- 2004-12-17 US US10/584,994 patent/US20070126082A1/en not_active Abandoned
- 2004-12-17 CN CNA2004800401251A patent/CN1902759A/zh active Pending
- 2004-12-17 WO PCT/JP2004/018939 patent/WO2005067056A1/ja not_active Application Discontinuation
- 2004-12-17 EP EP04807297A patent/EP1703565A4/en not_active Withdrawn
- 2004-12-17 KR KR1020067013009A patent/KR20060107832A/ko not_active Application Discontinuation
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9540279B2 (en) | 2013-05-24 | 2017-01-10 | Corning Incorporated | Method of producing glass-ceramic |
Also Published As
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US20070126082A1 (en) | 2007-06-07 |
CN1902759A (zh) | 2007-01-24 |
TW200535930A (en) | 2005-11-01 |
TWI258805B (en) | 2006-07-21 |
EP1703565A1 (en) | 2006-09-20 |
WO2005067056A1 (ja) | 2005-07-21 |
EP1703565A4 (en) | 2008-06-25 |
KR20060107832A (ko) | 2006-10-16 |
JP2005197580A (ja) | 2005-07-21 |
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