KR101102961B1 - 버랙터 및 그 제조 방법 - Google Patents
버랙터 및 그 제조 방법 Download PDFInfo
- Publication number
- KR101102961B1 KR101102961B1 KR1020040008035A KR20040008035A KR101102961B1 KR 101102961 B1 KR101102961 B1 KR 101102961B1 KR 1020040008035 A KR1020040008035 A KR 1020040008035A KR 20040008035 A KR20040008035 A KR 20040008035A KR 101102961 B1 KR101102961 B1 KR 101102961B1
- Authority
- KR
- South Korea
- Prior art keywords
- junction region
- type junction
- type
- semiconductor substrate
- varactor
- 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.)
- Expired - Fee Related
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/62—Capacitors having potential barriers
- H10D1/64—Variable-capacitance diodes, e.g. varactors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/01—Manufacture or treatment
- H10D1/045—Manufacture or treatment of capacitors having potential barriers, e.g. varactors
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- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (3)
- 반도체 기판에 형성된 제1 N-타입 접합영역;상기 제1 N-타입 접합영역의 윗면에 접하여 형성된 P-타입 접합영역; 및상기 P-타입 접합영역의 전후좌우 면에 접하여 형성된 제 2 N-타입 접합영역을 포함하고,상기 제1 N-타입 접합 영역과 상기 제2 N-타입 접합 영역은 서로 중첩되어 형성되는 것을 특징으로 하는 버랙터.
- 딥 N-웰 이온주입 공정으로 반도체 기판의 일정 깊이에 제 1 N-타입 접합영역을 형성하는 단계;P-웰 이온주입 공정으로 상기 제 1 N-타입 접합영역 바로 위의 상기 반도체 기판에 P-타입 접합영역을 형성하는 단계; 및N-웰 이온주입 공정으로 상기 P-타입 접합영역 주변의 상기 반도체 기판에 제 2 N-타입 접합영역을 형성하는 단계를 포함하는 버랙터 제조 방법.
- 제 2 항에 있어서,상기 제 1 N-타입 접합영역은 딥 N-웰 이온주입 공정을 실시하고, 1,000 ℃의 온도에서 30 초간 급속 열처리하여 형성되는 버랙터 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040008035A KR101102961B1 (ko) | 2004-02-06 | 2004-02-06 | 버랙터 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040008035A KR101102961B1 (ko) | 2004-02-06 | 2004-02-06 | 버랙터 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050079547A KR20050079547A (ko) | 2005-08-10 |
KR101102961B1 true KR101102961B1 (ko) | 2012-01-10 |
Family
ID=37266466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040008035A Expired - Fee Related KR101102961B1 (ko) | 2004-02-06 | 2004-02-06 | 버랙터 및 그 제조 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101102961B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030082916A (ko) * | 2002-04-18 | 2003-10-23 | 후지쯔 가부시끼가이샤 | pn 바랙터 |
-
2004
- 2004-02-06 KR KR1020040008035A patent/KR101102961B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030082916A (ko) * | 2002-04-18 | 2003-10-23 | 후지쯔 가부시끼가이샤 | pn 바랙터 |
Also Published As
Publication number | Publication date |
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KR20050079547A (ko) | 2005-08-10 |
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