KR20090001206A - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
- Publication number
- KR20090001206A KR20090001206A KR1020070065424A KR20070065424A KR20090001206A KR 20090001206 A KR20090001206 A KR 20090001206A KR 1020070065424 A KR1020070065424 A KR 1020070065424A KR 20070065424 A KR20070065424 A KR 20070065424A KR 20090001206 A KR20090001206 A KR 20090001206A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- lower electrode
- phase change
- forming
- contact plug
- 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.)
- Withdrawn
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/20—Multistable switching devices, e.g. memristors
- H10N70/231—Multistable switching devices, e.g. memristors based on solid-state phase change, e.g. between amorphous and crystalline phases, Ovshinsky effect
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N70/00—Solid-state devices having no potential barriers, and specially adapted for rectifying, amplifying, oscillating or switching
- H10N70/801—Constructional details of multistable switching devices
- H10N70/881—Switching materials
- H10N70/882—Compounds of sulfur, selenium or tellurium, e.g. chalcogenides
- H10N70/8828—Tellurides, e.g. GeSbTe
-
- 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
- H10P90/00—Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
- H10P90/19—Preparing inhomogeneous wafers
- H10P90/1904—Preparing vertically inhomogeneous wafers
- H10P90/1906—Preparing SOI wafers
- H10P90/1922—Preparing SOI wafers using silicon etch back techniques, e.g. BESOI or ELTRAN
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/10—Isolation regions comprising dielectric materials
- H10W10/181—Semiconductor-on-insulator [SOI] isolation regions, e.g. buried oxide regions of SOI wafers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/031—Manufacture or treatment of conductive parts of the interconnections
- H10W20/056—Manufacture or treatment of conductive parts of the interconnections by filling conductive material into holes, grooves or trenches
Landscapes
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- 반도체 기판 상부에 하부전극을 형성하는 단계;상기 하부전극 상부에 절연막을 형성하고, 상기 절연막을 선택적으로 식각하여 상기 하부전극을 노출시키는 콘택홀을 형성하는 단계;상기 콘택홀을 포함한 상기 절연막 상부에 도전막을 형성하는 단계;상기 도전막을 에치백하여 하부전극 콘택플러그 상측을 오목하게 형성하는 단계;상기 절연막 상부에 상기 하부전극 콘택플러그와 중첩되는 상변화막을 형성하는 단계; 및상기 상변화막 상부에 상부전극을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 절연막은 질화막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 도전막은 티타늄 질화(TiN)막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 상변화막은 GeSb2Te4막 및 Ge2Sb2Te5막 중 선택된 어느 하나로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 상부전극은 티타늄 질화(TiN)막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070065424A KR20090001206A (ko) | 2007-06-29 | 2007-06-29 | 반도체 소자의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070065424A KR20090001206A (ko) | 2007-06-29 | 2007-06-29 | 반도체 소자의 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20090001206A true KR20090001206A (ko) | 2009-01-08 |
Family
ID=40484308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020070065424A Withdrawn KR20090001206A (ko) | 2007-06-29 | 2007-06-29 | 반도체 소자의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20090001206A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101434593B1 (ko) * | 2012-12-27 | 2014-08-26 | 에스케이하이닉스 주식회사 | 상변화 메모리 장치 및 그의 제조방법 |
-
2007
- 2007-06-29 KR KR1020070065424A patent/KR20090001206A/ko not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101434593B1 (ko) * | 2012-12-27 | 2014-08-26 | 에스케이하이닉스 주식회사 | 상변화 메모리 장치 및 그의 제조방법 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
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| PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
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| PC1203 | Withdrawal of no request for examination |
St.27 status event code: N-1-6-B10-B12-nap-PC1203 |
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| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid | ||
| PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
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| PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
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| P22-X000 | Classification modified |
St.27 status event code: A-2-2-P10-P22-nap-X000 |
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| P22-X000 | Classification modified |
St.27 status event code: A-2-2-P10-P22-nap-X000 |
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| P22-X000 | Classification modified |
St.27 status event code: A-2-2-P10-P22-nap-X000 |