KR910003590A - 자기기록 매체의 제조방법 - Google Patents
자기기록 매체의 제조방법 Download PDFInfo
- Publication number
- KR910003590A KR910003590A KR1019890010850A KR890010850A KR910003590A KR 910003590 A KR910003590 A KR 910003590A KR 1019890010850 A KR1019890010850 A KR 1019890010850A KR 890010850 A KR890010850 A KR 890010850A KR 910003590 A KR910003590 A KR 910003590A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- chromium
- recording medium
- magnetic recording
- manufacturing magnetic
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 3
- LCKHOIUMRVRUKY-UHFFFAOYSA-N [Cr+] Chemical compound [Cr+] LCKHOIUMRVRUKY-UHFFFAOYSA-N 0.000 claims 3
- 229910052804 chromium Inorganic materials 0.000 claims 3
- 239000011651 chromium Substances 0.000 claims 3
- UZEDIBTVIIJELN-UHFFFAOYSA-N chromium(2+) Chemical compound [Cr+2] UZEDIBTVIIJELN-UHFFFAOYSA-N 0.000 claims 2
- 238000004544 sputter deposition Methods 0.000 claims 2
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910018104 Ni-P Inorganic materials 0.000 claims 1
- 229910018536 Ni—P Inorganic materials 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/851—Coating a support with a magnetic layer by sputtering
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 자기기록 매체의 개략단면도.
Claims (3)
- 알루미늄합금기판, Ni-P하지층 및 크롬층을 형성하고 그위에 자성층, 카본 박막 및 윤활층으로 구성된 자기기록매체를 제조하는데 있어서, 상기 자성층을 형성하기 전에 크롬층을 크롬(I)층과 크롬(II)층으로 나누어 스파터링하는 것을 특징으로 하는 자기기록 매체의 제조방법.
- 제1항에 있어서, 크롬(I)층의 두께가 500~1000Å이고 크롬(II)층의 두께가 2000~2500Å인 것을 특징으로 하는 자기기록 매체의 제조방법.
- 제1항에 있어서, 크롬(I)층 형성시 스파터링 출력밀도가 10~12Watt/㎤이고 크롬(II)층 형성시 스파터링 출력밀도가 4~6Watt/㎤인 것을 특징으로 하는 자기기록 매체의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890010850A KR940011794B1 (ko) | 1989-07-29 | 1989-07-29 | 자기기록 매체의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890010850A KR940011794B1 (ko) | 1989-07-29 | 1989-07-29 | 자기기록 매체의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910003590A true KR910003590A (ko) | 1991-02-27 |
| KR940011794B1 KR940011794B1 (ko) | 1994-12-26 |
Family
ID=19288564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890010850A KR940011794B1 (ko) | 1989-07-29 | 1989-07-29 | 자기기록 매체의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR940011794B1 (ko) |
-
1989
- 1989-07-29 KR KR1019890010850A patent/KR940011794B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR940011794B1 (ko) | 1994-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20010912 Year of fee payment: 8 |
|
| LAPS | Lapse due to unpaid annual fee |