JP2014116342A - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP2014116342A JP2014116342A JP2012267056A JP2012267056A JP2014116342A JP 2014116342 A JP2014116342 A JP 2014116342A JP 2012267056 A JP2012267056 A JP 2012267056A JP 2012267056 A JP2012267056 A JP 2012267056A JP 2014116342 A JP2014116342 A JP 2014116342A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0411—Manufacture or treatment of FETs having insulated gates [IGFET] of FETs having floating gates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
- H10B41/42—Simultaneous manufacture of periphery and memory cells
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
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- H—ELECTRICITY
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- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
- H10B41/35—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region with a cell select transistor, e.g. NAND
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/751—Insulated-gate field-effect transistors [IGFET] having composition variations in the channel regions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/213—Channel regions of field-effect devices
- H10D62/221—Channel regions of field-effect devices of FETs
- H10D62/235—Channel regions of field-effect devices of FETs of IGFETs
- H10D62/299—Channel regions of field-effect devices of FETs of IGFETs having lateral doping variations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/213—Channel regions of field-effect devices
- H10D62/221—Channel regions of field-effect devices of FETs
- H10D62/235—Channel regions of field-effect devices of FETs of IGFETs
- H10D62/314—Channel regions of field-effect devices of FETs of IGFETs having vertical doping variations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P30/00—Ion implantation into wafers, substrates or parts of devices
- H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
- H10P30/202—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials
- H10P30/204—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials into Group IV semiconductors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P30/00—Ion implantation into wafers, substrates or parts of devices
- H10P30/20—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
- H10P30/21—Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping of electrically active species
- H10P30/212—Through-implantation
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- Non-Volatile Memory (AREA)
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- Chemical Vapour Deposition (AREA)
Abstract
【構成】
実施形態の半導体装置の製造方法では、半導体基板上に、炭素(C)を上部に含有するシリコン(Si)膜を形成する工程と、第1の領域においてSi膜の寸法幅が狭く、第2の領域においてSi膜の寸法幅が広くなるように前記Si膜と前記半導体基板とに対して素子分離を行う工程と、素子分離後、少なくとも前記第1の領域において前記Si膜の側面を露出させる工程と、前記第1の領域における前記Si膜の側面からボロン(B)を前記Si膜内へと拡散させる工程と、を備えたことを特徴とする。
【選択図】図1
Description
以下、第1の実施形態は、シリコン(Si)膜へのp型の不純物のドーピングをガスフェーズドーピング法により行う場合について説明する。
Claims (5)
- 半導体基板上に、炭素(C)を上部に含有するシリコン(Si)膜を形成する工程と、
第1の領域でSi膜の寸法幅が狭く、第2の領域でSi膜の寸法幅が広くなるように前記Si膜と前記半導体基板とに対して素子分離を行う工程と、
素子分離後、前記第1と第2の領域のうち、前記第1の領域のみ前記Si膜の側面を露出させるとともに、前記Si膜における前記炭素を含有する上部の部分を除去する工程と、
ガスフェーズドーピング法を用いて、前記第1の領域における前記Si膜の側面からボロン(B)を前記Si膜内へと拡散させる工程と、
を備え、
前記第1の領域は、メモリセル領域であり、第2の領域は、メモリセルの周辺回路領域であることを特徴とする半導体装置の製造方法。 - 半導体基板上に、炭素(C)を上部に含有するシリコン(Si)膜を形成する工程と、
第1の領域でSi膜の寸法幅が狭く、第2の領域でSi膜の寸法幅が広くなるように前記Si膜と前記半導体基板とに対して素子分離を行う工程と、
素子分離後、少なくとも前記第1の領域で前記Si膜の側面を露出させる工程と、
前記第1の領域における前記Si膜の側面からボロン(B)を前記Si膜内へと拡散させる工程と、
を備えたことを特徴とする半導体装置の製造方法。 - 前記第1と第2の領域のうち、前記第1の領域のみ前記Si膜の側面を露出させることを特徴とする請求項2記載の半導体装置の製造方法。
- 前記Si膜の側面を露出させる際、前記第1の領域では、さらに、前記Si膜における前記炭素を含有する上部の部分を除去することを特徴とする請求項2又は3記載の半導体装置の製造方法。
- 前記Bを拡散させる際、ガスフェーズドーピング法を用いることを特徴とする請求項2〜4いずれか記載の半導体装置の製造方法。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012267056A JP2014116342A (ja) | 2012-12-06 | 2012-12-06 | 半導体装置の製造方法 |
| US13/896,808 US9281383B2 (en) | 2012-12-06 | 2013-05-17 | Method for fabricating a semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012267056A JP2014116342A (ja) | 2012-12-06 | 2012-12-06 | 半導体装置の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2014116342A true JP2014116342A (ja) | 2014-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012267056A Abandoned JP2014116342A (ja) | 2012-12-06 | 2012-12-06 | 半導体装置の製造方法 |
Country Status (2)
| Country | Link |
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| US (1) | US9281383B2 (ja) |
| JP (1) | JP2014116342A (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014116342A (ja) * | 2012-12-06 | 2014-06-26 | Toshiba Corp | 半導体装置の製造方法 |
| KR20170007928A (ko) * | 2015-07-13 | 2017-01-23 | 에스케이하이닉스 주식회사 | 비휘발성 메모리 소자 제조 방법 |
| TWI691019B (zh) | 2019-03-19 | 2020-04-11 | 華邦電子股份有限公司 | 快閃記憶體裝置及其製造方法 |
Citations (3)
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| JPH0878674A (ja) * | 1993-09-16 | 1996-03-22 | Mitsubishi Electric Corp | 半導体装置およびその製造方法ならびにバイポーラトランジスタ |
| JP2011176207A (ja) * | 2010-02-25 | 2011-09-08 | Toshiba Corp | 不揮発性半導体記憶装置およびその製造方法 |
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2012
- 2012-12-06 JP JP2012267056A patent/JP2014116342A/ja not_active Abandoned
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- 2013-05-17 US US13/896,808 patent/US9281383B2/en active Active
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| JP2011176207A (ja) * | 2010-02-25 | 2011-09-08 | Toshiba Corp | 不揮発性半導体記憶装置およびその製造方法 |
| JP2012038835A (ja) * | 2010-08-05 | 2012-02-23 | Toshiba Corp | 不揮発性半導体記憶装置及びその製造方法 |
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| US9281383B2 (en) | 2016-03-08 |
| US20140162417A1 (en) | 2014-06-12 |
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