JP5147249B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
- Publication number
- JP5147249B2 JP5147249B2 JP2007021409A JP2007021409A JP5147249B2 JP 5147249 B2 JP5147249 B2 JP 5147249B2 JP 2007021409 A JP2007021409 A JP 2007021409A JP 2007021409 A JP2007021409 A JP 2007021409A JP 5147249 B2 JP5147249 B2 JP 5147249B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- memory cell
- etching stopper
- semiconductor device
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
-
- 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
-
- 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]
- H10D30/68—Floating-gate IGFETs
- H10D30/681—Floating-gate IGFETs having only two programming levels
-
- 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]
- H10D30/68—Floating-gate IGFETs
- H10D30/6891—Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode
Landscapes
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
10 ゲート絶縁膜 11 フローティングゲート
12 ドレイン拡散層 13 ソースライン拡散層
14 ビットライン 15 LOCOS膜
16 コントロールゲートライン拡散層
17,18 ビアホール 19 コントロールゲートラインメタル層
20 パッド電極 21 酸化膜
22 開口部 23 シリコン窒化膜
24 ポリイミド膜 25 レジスト膜
CM キャップメタル層 MC メモリセル
Claims (3)
- 紫外線消去型のメモリセルと、このメモリセルに接続された配線層とを含むメモリ領域と、
前記メモリセル及び前記配線層を覆う層間絶縁膜と、
前記層間絶縁膜を介して前記配線層より上層に、前記メモリ領域から離れて形成された外部接続電極と、を備えた半導体装置の製造方法において、
前記外部接続電極及び前記層間絶縁膜上に紫外線を透過するエッチングストッパー膜を形成する工程と、
前記外部接続電極上の前記エッチングストッパー膜を選択的にエッチング除去し、前記メモリセル上には前記エッチングストッパー膜を残す工程と、
前記エッチングストッパー膜上及び前記エッチングストッパー膜が除去された前記外部接続電極上に紫外線を透過しない保護膜を形成する工程と、
前記メモリセル上に残された前記エッチングストッパー膜を用いて前記外部接続電極上及びメモリ領域上の保護膜を選択的にエッチング除去する工程と、を備えることを特徴とする半導体装置の製造方法。 - 前記エッチングストッパー膜はシリコン酸化膜であり、前記保護膜は、窒化シリコン膜を含むことを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記保護膜はポリイミド膜を含むことを特徴とする請求項2に記載の半導体装置の製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007021409A JP5147249B2 (ja) | 2007-01-31 | 2007-01-31 | 半導体装置の製造方法 |
| CN2008100026383A CN101236930B (zh) | 2007-01-31 | 2008-01-14 | 半导体装置的制造方法 |
| US12/020,761 US7655569B2 (en) | 2007-01-31 | 2008-01-28 | Method of manufacturing semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007021409A JP5147249B2 (ja) | 2007-01-31 | 2007-01-31 | 半導体装置の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008187129A JP2008187129A (ja) | 2008-08-14 |
| JP5147249B2 true JP5147249B2 (ja) | 2013-02-20 |
Family
ID=39729942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007021409A Active JP5147249B2 (ja) | 2007-01-31 | 2007-01-31 | 半導体装置の製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7655569B2 (ja) |
| JP (1) | JP5147249B2 (ja) |
| CN (1) | CN101236930B (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10636800B2 (en) | 2015-01-29 | 2020-04-28 | Hewlett-Packard Development Company, L.P. | Dischargeable electrical programmable read only memory (EPROM) cell |
| CN106129059A (zh) * | 2016-07-27 | 2016-11-16 | 深圳市航顺芯片技术研发有限公司 | 一种基于cmos深亚微米工艺的eeprom结构 |
| CN106601747A (zh) * | 2016-12-30 | 2017-04-26 | 合肥恒烁半导体有限公司 | 单元阵体区域易于紫外线透光的版图布线方法 |
| CN112447739B (zh) * | 2019-09-02 | 2023-09-19 | 联芯集成电路制造(厦门)有限公司 | 半导体存储装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783075B2 (ja) * | 1986-03-14 | 1995-09-06 | 三菱電機株式会社 | 半導体装置の製造方法 |
| JPH02172282A (ja) * | 1988-12-24 | 1990-07-03 | Mitsubishi Electric Corp | 半導体装置 |
| JPH02309682A (ja) * | 1989-05-24 | 1990-12-25 | Hitachi Ltd | 半導体集積回路装置 |
| US6507061B1 (en) * | 2001-08-31 | 2003-01-14 | Intel Corporation | Multiple layer phase-change memory |
| JP2003142485A (ja) * | 2001-11-01 | 2003-05-16 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
| US6924241B2 (en) * | 2003-02-24 | 2005-08-02 | Promos Technologies, Inc. | Method of making a silicon nitride film that is transmissive to ultraviolet light |
| JP4272168B2 (ja) * | 2003-03-28 | 2009-06-03 | 富士通マイクロエレクトロニクス株式会社 | 半導体装置及び半導体集積回路装置 |
| KR100491978B1 (ko) * | 2003-04-12 | 2005-05-27 | 한국전자통신연구원 | 저 전력 동작이 가능한 상변화 메모리 소자 및 그 제조 방법 |
| KR100564608B1 (ko) * | 2004-01-29 | 2006-03-28 | 삼성전자주식회사 | 상변화 메모리 소자 |
| JP2005243127A (ja) | 2004-02-25 | 2005-09-08 | Sanyo Electric Co Ltd | 紫外線消去型半導体メモリ装置 |
| TWI254443B (en) * | 2004-10-08 | 2006-05-01 | Ind Tech Res Inst | Multilevel phase-change memory, manufacture method and status transferring method thereof |
| TWI261915B (en) * | 2005-01-07 | 2006-09-11 | Ind Tech Res Inst | Phase change memory and fabricating method thereof |
-
2007
- 2007-01-31 JP JP2007021409A patent/JP5147249B2/ja active Active
-
2008
- 2008-01-14 CN CN2008100026383A patent/CN101236930B/zh not_active Expired - Fee Related
- 2008-01-28 US US12/020,761 patent/US7655569B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20090011603A1 (en) | 2009-01-08 |
| JP2008187129A (ja) | 2008-08-14 |
| US7655569B2 (en) | 2010-02-02 |
| CN101236930B (zh) | 2010-06-16 |
| CN101236930A (zh) | 2008-08-06 |
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