JP2007535814A - シリコンゲルマニウムを用いる半導体構造の製造方法 - Google Patents
シリコンゲルマニウムを用いる半導体構造の製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 76
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910000577 Silicon-germanium Inorganic materials 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 59
- 239000010703 silicon Substances 0.000 claims abstract description 59
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 48
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000002955 isolation Methods 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract 31
- 230000000873 masking effect Effects 0.000 claims abstract 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 6
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract 3
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract 3
- 239000000377 silicon dioxide Substances 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 32
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 7
- 230000008021 deposition Effects 0.000 claims description 3
- 239000013626 chemical specie Substances 0.000 claims 6
- 238000006243 chemical reaction Methods 0.000 claims 4
- 238000002360 preparation method Methods 0.000 claims 3
- 230000001590 oxidative effect Effects 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 12
- 239000012212 insulator Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 11
- 239000013078 crystal Substances 0.000 description 8
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 8
- 238000002513 implantation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
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Abstract
Description
Claims (26)
- 半導体構造の製造方法であって、
半導体基板を準備する基板準備工程と、
非晶質シリコンゲルマニウム含有層および多結晶シリコンゲルマニウム含有層から選択される第1の層を半導体基板の上に形成する第1層形成工程と、
第1の層を酸化させる第1層酸化工程と、第1層酸化工程は第1の層をシリコン含有酸化物層に変換し、かつ、半導体基板のうちの少なくとも一部をゲルマニウムリッチ半導体層に変換することと、からなる方法。 - 半導体基板は半導体層の下に位置する埋込酸化物層を含むことと、
第1の層の酸化中、半導体基板の半導体層はゲルマニウムリッチ半導体層へ変換されることと、を含む請求項1に記載の方法。 - 半導体基板はシリコン層を含むことと、
半導体基板のうちの前記少なくとも一部は該シリコン層を含むことと、
第1の層の酸化中、半導体基板の該シリコン層はゲルマニウムリッチ半導体層へ変換されることと、を含む請求項1に記載の方法。 - 第1層酸化工程は第1の層全体をシリコン含有酸化物層に変換する請求項1に記載の方法。
- シリコン含有酸化物層を除去する工程を含む請求項1に記載の方法。
- ゲルマニウムリッチ半導体層のゲルマニウム含量は約15〜50パーセントである請求項1に記載の方法。
- 第1層形成工程は第1の層をブランケット堆積する工程を含む請求項1に記載の方法。
- 第1層形成工程は半導体基板の上部へゲルマニウムを注入し、該上部を非晶質シリコンゲルマニウム層に変換する工程を含む請求項1に記載の方法。
- 半導体基板は第1の分離領域および第2の分離領域を含むことと、ゲルマニウムリッチシリコン層は第1の分離領域と第2の分離領域との間に形成されることと、を含む請求項1に記載の方法。
- 第1層形成工程に先立って、半導体基板の上にパターン形成されたマスキング層を形成する工程と、
ゲルマニウムリッチシリコン層はパターン形成されたマスキング層によって露出される半導体基板の部分において形成されることと、を含む請求項1に記載の方法。 - ゲルマニウムリッチ半導体層の上のゲート誘電体と、ゲート誘電体の上のゲートと、ゲルマニウムリッチ半導体層のゲートの下のチャンネルと、チャンネルから側方に離間されている複数のソース/ドレイン領域とを有するトランジスタを形成する工程を含む請求項1に記載の方法。
- ゲルマニウムリッチ半導体層の上に半導体層を形成する工程と、
ゲルマニウムリッチ半導体層の上のゲート誘電体と、ゲート誘電体の上のゲートと、該半導体層のゲートの下のチャンネルと、チャンネルから側方に離間されている複数のソース/ドレイン領域とを有するトランジスタを形成する工程と、を含む請求項1に記載の方法。 - 半導体構造の製造方法であって、
シリコン層を含む半導体基板を準備する基板準備工程と、
非晶質シリコンゲルマニウム層および多結晶シリコンゲルマニウム層のうちの一方であるシリコンゲルマニウム層を半導体基板のシリコン層上に形成するシリコンゲルマニウム層形成工程と、
シリコンゲルマニウム層を酸化させて、シリコンゲルマニウム層をシリコンジオキサイドに変換し、かつ、シリコン層のうちの少なくとも一部をゲルマニウムリッチシリコンに変換するシリコンゲルマニウム層酸化工程と、からなる方法。 - シリコンゲルマニウム層形成工程はシリコンゲルマニウム層のブランケット堆積を含む請求項13に記載の方法。
- 第1層形成工程は半導体基板のシリコン層の上部へゲルマニウムを注入する工程を含む請求項13に記載の方法。
- シリコンゲルマニウム層酸化工程の後、変換されたシリコンゲルマニウム層を除去する工程を含む請求項13に記載の方法。
- シリコン層に複数の分離領域を形成する工程と、該複数の分離領域間のシリコン層の能動部分はゲルマニウムリッチシリコンへ変換されることと、を含む請求項13に記載の方法。
- シリコンゲルマニウム層形成工程に先立って、シリコン層の上にパターン形成されたマスキング層を形成する工程と、
パターン形成されたマスキング層によって露出されるシリコン層の部分はゲルマニウムリッチシリコンへ変換されることと、を含む請求項13に記載の方法。 - ゲルマニウムリッチシリコンの上のゲート誘電体と、ゲート誘電体の上のゲートと、ゲルマニウムリッチシリコンのゲートの下のチャンネルと、チャンネルから側方に離間されている複数のソース/ドレイン領域とを有するトランジスタを形成する工程を含む請求項13に記載の方法。
- ゲルマニウムリッチシリコンの上に半導体層を形成する工程と、
半導体層の上のゲート誘電体と、ゲート誘電体の上のゲートと、半導体層のゲートの下のチャンネルと、チャンネルから側方に離間されている複数のソース/ドレイン領域とを有するトランジスタを形成する工程と、を含む請求項13に記載の方法。 - 半導体基板はシリコン層の下に位置する埋込酸化物層を含む請求項13に記載の方法。
- 半導体構造の製造方法であって、
半導体基板を準備する基板準備工程と、
第1の化学種及び第2の化学種を含有する化合物を含む第1の層を半導体基板の上に形成する第1層形成工程と、第1の層は非晶質層および多結晶層のうちの一方であることと、
第1の層を第1の化学種を含む除去可能層に変換する第1層変換工程と、第1層変換工程は第2の化学種を下に位置する半導体基板へ移動させることと、からなる方法。 - 第1層変換工程の後、除去可能層を除去する工程を含む請求項21に記載の方法。
- 半導体基板に複数の分離領域を形成する工程と、第1層の変換中、第2の化学種は該複数の分離領域間の半導体基板の能動部分へ移動されることと、を含む請求項21に記載の方法。
- 第1層形成工程に先立って、半導体基板の上にパターン形成されたマスキング層を形成する工程と、第1層の変換中、第2の化学種はパターン形成されたマスキング層によって露出される半導体基板の部分へ移動されることと、を含む請求項21に記載の方法。
- 第1層変換工程の後、半導体基板の上のゲート誘電体と、ゲート誘電体の上のゲートと、ゲート誘電体の下のチャンネルと、チャンネルから側方に離間されている複数のソース/ドレイン領域とを有するトランジスタを形成する工程を含む請求項21に記載の方法。
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US10/836,172 US7163903B2 (en) | 2004-04-30 | 2004-04-30 | Method for making a semiconductor structure using silicon germanium |
PCT/US2005/011552 WO2005112094A2 (en) | 2004-04-30 | 2005-04-05 | Method for making a semiconductor structure using silicon germanium |
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JP (1) | JP2007535814A (ja) |
KR (1) | KR20070011408A (ja) |
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US8211786B2 (en) * | 2008-02-28 | 2012-07-03 | International Business Machines Corporation | CMOS structure including non-planar hybrid orientation substrate with planar gate electrodes and method for fabrication |
US8003454B2 (en) * | 2008-05-22 | 2011-08-23 | Freescale Semiconductor, Inc. | CMOS process with optimized PMOS and NMOS transistor devices |
US20090289280A1 (en) * | 2008-05-22 | 2009-11-26 | Da Zhang | Method for Making Transistors and the Device Thereof |
JP2010182841A (ja) * | 2009-02-05 | 2010-08-19 | Sony Corp | 半導体薄膜の形成方法および半導体薄膜の検査装置 |
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WO2005112094A3 (en) | 2007-06-28 |
EP1751791A2 (en) | 2007-02-14 |
US7163903B2 (en) | 2007-01-16 |
WO2005112094A9 (en) | 2009-04-30 |
CN100533679C (zh) | 2009-08-26 |
CN101147243A (zh) | 2008-03-19 |
EP1751791A4 (en) | 2010-02-03 |
WO2005112094A2 (en) | 2005-11-24 |
US20070082453A1 (en) | 2007-04-12 |
KR20070011408A (ko) | 2007-01-24 |
US20050245092A1 (en) | 2005-11-03 |
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US7927956B2 (en) | 2011-04-19 |
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