KR900000046B1 - 마그네틱 버블 메모리칩을 제조하는 방법 - Google Patents
마그네틱 버블 메모리칩을 제조하는 방법 Download PDFInfo
- Publication number
- KR900000046B1 KR900000046B1 KR1019850001315A KR850001315A KR900000046B1 KR 900000046 B1 KR900000046 B1 KR 900000046B1 KR 1019850001315 A KR1019850001315 A KR 1019850001315A KR 850001315 A KR850001315 A KR 850001315A KR 900000046 B1 KR900000046 B1 KR 900000046B1
- Authority
- KR
- South Korea
- Prior art keywords
- pattern
- insulating layer
- bubble
- region
- transmission line
- 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
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/24—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using capacitors
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
- G11C19/0816—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using a rotating or alternating coplanar magnetic field
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/0875—Organisation of a plurality of magnetic shift registers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
- H01F41/34—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film in patterns, e.g. by lithography
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Thin Magnetic Films (AREA)
- Semiconductor Memories (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (7)
- 제1영역에는 적어도 버블정보를 기억시키기 위한 마이너 루우프 전송선이 제공되고 제2영역에는 마이너 루우프 전송선에 대해 버블정보를 기록하고 독출하기 위한 메이저 전송선이 제공되는 얇은 버블막을 가진 마그네틱 버블 메모리 칩을 제조하는 방법에 있어서, 제1 및 제2영역에 걸친 얇은 버블막상에 제1절연층을 형성하기 위한 제1단계, 상기 제1절연층상에 기능게이트 제어용 전도패턴을 형성하기 위한 제2단계, 상기 제1절연층 및 기능게이트 제어용 상기 전도패턴을 걸쳐 제2절연층의 수지를 코팅하고 코팅된 제2절연층을 가열 경화시키기 위한 제3단계, 제1영역상에 존재하는 제1절연층과 제2수지절연층의 부분을 에칭에 의해 제거하기 위한 제4단계, 제1 및 제2영역을 포함하는 전표면에 걸쳐 제3절연층을 형성하기 위한 제5단계 및 제3절연층상에 마이너 루우프 전송선과 메이저 전송선을 형성하기 위한 제6단계로 구성되는 것을 특징으로 하는 마그네틱 버블 메모리칩을 제조하는 방법.
- 제1항에 있어서, 상기 마이너 루우프 전송선의 버블 전송패턴이 상기 메이저 전송선의 버블 전송 패턴보다 더 작은 패턴주기를 갖는것을 특징으로 하는 마그네틱 버블 메모리칩을 제조하는 방법.
- 제1항에 있어서, 상기 제2절연층을 SiO2이고 이것의 두께는 1200Å 내지 1500Å인것을 특징으로 하는 마그네틱 버블 메모리칩을 제조하는 방법.
- 제3항에 있어서, SiO2층의 두께가 약 1300Å인것을 특징으로 하는 마그네틱 버블 메모리칩을 제조하는 방법.
- 제1항에 있어서, 제1 및 제2영역의 버블 전송 패턴이 소프트 마그네틱패턴으로 형성되고 제1영역의 소프트 마그네틱 패턴은 4㎛ 내지 6㎛의 패턴 주기를 갖으며 제2영역의 소프트 마그네틱 패턴은 적어도 8㎛의 패턴주기를 갖는 것을 특징으로 하는 마그네틱 버블 메모리칩을 제조하는 방법.
- 제1항에 있어서, 상기 제1영역이 마이너루우프 전송선의 고장 루우프에 대한 정보를 기억시키기 위한 루우프를 포함하는 것을 특징으로 하는 마그네틱 버블 메모리칩을 제조하는 방법.
- 제5항에 있어서, 적어도 제1영역내의 소프트 마그네틱 패턴이 와이드 갭 패턴인 것을 특징으로 하는 마그네틱 버블 메모리칩을 제조하는 방법.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59-039741 | 1984-03-03 | ||
| JP59039741A JPS60185289A (ja) | 1984-03-03 | 1984-03-03 | 磁気バブルメモリ素子の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR850007151A KR850007151A (ko) | 1985-10-30 |
| KR900000046B1 true KR900000046B1 (ko) | 1990-01-18 |
Family
ID=12561386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850001315A Expired KR900000046B1 (ko) | 1984-03-03 | 1985-03-02 | 마그네틱 버블 메모리칩을 제조하는 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4579624A (ko) |
| EP (1) | EP0154524B1 (ko) |
| JP (1) | JPS60185289A (ko) |
| KR (1) | KR900000046B1 (ko) |
| CA (1) | CA1219969A (ko) |
| DE (1) | DE3574200D1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693780A (en) * | 1985-02-22 | 1987-09-15 | Siemens Aktiengesellschaft | Electrical isolation and leveling of patterned surfaces |
-
1984
- 1984-03-03 JP JP59039741A patent/JPS60185289A/ja active Granted
-
1985
- 1985-02-26 CA CA000475171A patent/CA1219969A/en not_active Expired
- 1985-02-28 EP EP85301400A patent/EP0154524B1/en not_active Expired
- 1985-02-28 US US06/706,612 patent/US4579624A/en not_active Expired - Fee Related
- 1985-02-28 DE DE8585301400T patent/DE3574200D1/de not_active Expired
- 1985-03-02 KR KR1019850001315A patent/KR900000046B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0154524B1 (en) | 1989-11-08 |
| DE3574200D1 (en) | 1989-12-14 |
| US4579624A (en) | 1986-04-01 |
| KR850007151A (ko) | 1985-10-30 |
| JPS6336069B2 (ko) | 1988-07-19 |
| EP0154524A3 (en) | 1986-10-01 |
| JPS60185289A (ja) | 1985-09-20 |
| CA1219969A (en) | 1987-03-31 |
| EP0154524A2 (en) | 1985-09-11 |
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