KR880700697A - 메모리 디스크용 기판의 제조방법 - Google Patents
메모리 디스크용 기판의 제조방법Info
- Publication number
- KR880700697A KR880700697A KR870700771A KR870700771A KR880700697A KR 880700697 A KR880700697 A KR 880700697A KR 870700771 A KR870700771 A KR 870700771A KR 870700771 A KR870700771 A KR 870700771A KR 880700697 A KR880700697 A KR 880700697A
- Authority
- KR
- South Korea
- Prior art keywords
- manufacturing
- substrate
- blank material
- coating
- memory disk
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
- G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (4)
- 비자금속기판위에 하지층으로 비자성체금속을 피복한 블랭크재를 재료가 넓혀지는 한도를 규제하는 심금 및 다이링내에서 가압면에 평활한 2개의 다이로 압인가공을 하는 것에 의하여 초정밀한 표면을 얻는 것을 특징으로 하는 메모리 디스크용 기판의 제조방법.
- 비자성체금속의 피복이 화학적 도금에 의한 블랭크재를 사용하는 특허청구의 범위 제1항 기재의 제조방법.
- 비자성체금속의 피복이 물리적 도금에 의한 블랭크재를 사용하는 특허청구의 범위 제1항 기재의 제조방법.
- 비자성체금속의 피복이 접합압연 또는 압착에 의한 클래드 블랭크재를 사용하는 특허청구의 범위 제1항 기재의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60297596A JPH0638964B2 (ja) | 1985-12-28 | 1985-12-28 | メモリデイスク用基板の製造方法 |
JP297596 | 1985-12-28 | ||
PCT/JP1987/000004 WO1987004094A1 (en) | 1985-12-28 | 1987-01-05 | Method of preparing base for memory disk |
Publications (1)
Publication Number | Publication Date |
---|---|
KR880700697A true KR880700697A (ko) | 1988-04-11 |
Family
ID=17848603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR870700771A KR880700697A (ko) | 1985-12-28 | 1987-01-05 | 메모리 디스크용 기판의 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4823578A (ko) |
JP (1) | JPH0638964B2 (ko) |
KR (1) | KR880700697A (ko) |
DE (1) | DE3790007T1 (ko) |
GB (1) | GB2194188B (ko) |
WO (1) | WO1987004094A1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63286224A (ja) * | 1987-05-19 | 1988-11-22 | Fuarukoa Kk | メモリ−ディスク用アルミニウム基板の製造方法 |
JPS63286225A (ja) * | 1987-05-19 | 1988-11-22 | Furukawa Alum Co Ltd | 金属板の鏡面加工法 |
JPH0833999B2 (ja) * | 1989-04-14 | 1996-03-29 | 日本鋼管株式会社 | チタン製磁気ディスク基板の製造方法 |
JPH0319130A (ja) * | 1989-06-16 | 1991-01-28 | Nkk Corp | チタン製磁気ディスク基板の製造方法 |
US5335526A (en) * | 1991-01-29 | 1994-08-09 | Garrison Marvin C | Method of manufacturing substrates for memory disks |
US6336780B1 (en) | 1999-03-18 | 2002-01-08 | Ball Corporation | Blank edge reform method and apparatus for a container end closure |
BR0017173B1 (pt) * | 2000-03-29 | 2009-08-11 | métodos e equipamentos para corrigir um invólucro de recipiente de bebida e para formação de um dispositivo de fechamento de extremidade de recipiente; invólucro de recipiente para bebida e método para formação de um recipiente. | |
JP4238341B2 (ja) * | 2003-04-23 | 2009-03-18 | 富士電機デバイステクノロジー株式会社 | 磁気記録媒体の製造方法および製造装置 |
JP4534906B2 (ja) * | 2005-08-22 | 2010-09-01 | 富士電機デバイステクノロジー株式会社 | 磁気記録媒体およびその製造方法 |
US7688548B2 (en) * | 2006-02-21 | 2010-03-30 | Hitachi Global Storage Technologies Netherlands B.V. | Utilizing an interlocking dissimilar metal component in the formation of a hard disk drive |
US20110127562A1 (en) * | 2009-07-23 | 2011-06-02 | Chien-Min Sung | Electronic Substrate Having Low Current Leakage and High Thermal Conductivity and Associated Methods |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2972183A (en) * | 1953-08-27 | 1961-02-21 | Budd Co | Method of forming flanged hubs by forging and coining |
US2848603A (en) * | 1956-07-02 | 1958-08-19 | Rca Corp | Automatic gain control system |
US3145455A (en) * | 1961-07-10 | 1964-08-25 | Automatic Switch Co | Method of producing electric contact fingers |
US3196660A (en) * | 1962-06-28 | 1965-07-27 | Specialties Dev Corp | Method of flattening metallic discs |
GB1348780A (en) * | 1969-12-29 | 1974-03-20 | Fuji Photo Film Co Ltd | Method of making a magnetic disc |
US3886052A (en) * | 1970-07-20 | 1975-05-27 | Digital Equipment Corp | Method of making a magnetic recording disc |
US3761333A (en) * | 1971-05-21 | 1973-09-25 | Ibm | Method of and apparatus for manufacturing of a magnetic storage disk |
BE792138A (fr) * | 1971-12-13 | 1973-03-16 | Vau Jean Baptiste P | Procede et dispositif pour le formage precis d'une piece metallique |
US3797035A (en) * | 1972-06-23 | 1974-03-12 | Ibm | Recording media orientation |
US4029541A (en) * | 1974-07-05 | 1977-06-14 | Ampex Corporation | Magnetic recording disc of improved durability having tin-nickel undercoating |
US4030138A (en) * | 1975-07-18 | 1977-06-14 | Rca Corporation | Record protection system |
JPS5255603A (en) * | 1975-10-31 | 1977-05-07 | Nec Corp | Magnetic memory element and production of same |
US4071360A (en) * | 1976-01-19 | 1978-01-31 | Borg-Warner Corporation | Method of forming a friction disc member |
JPS5671821A (en) * | 1979-11-14 | 1981-06-15 | Hitachi Ltd | Substrate for magnetic disc and its manufacture |
JPS56165528A (en) * | 1980-05-26 | 1981-12-19 | Toshiba Corp | Coining method |
JPS57127523A (en) * | 1981-01-30 | 1982-08-07 | Kawaguchiko Seimitsu Kk | Correcting method for warping of watch dial |
US4403494A (en) * | 1981-03-02 | 1983-09-13 | Arthur D. Little, Inc. | Method of fabricating scroll members by coining and tools therefor |
US4588653A (en) * | 1983-08-29 | 1986-05-13 | Dynamic Disk, Inc. | Magnetic memory disk |
US4520647A (en) * | 1983-08-31 | 1985-06-04 | International Business Machines Corporation | Surface finishing process |
US4525759A (en) * | 1984-04-02 | 1985-06-25 | Shipley Company Inc. | Aluminum storage disc |
JPS61186122A (ja) * | 1985-02-15 | 1986-08-19 | Shinagawa Fuaanesu Kk | 板体変形矯正装置 |
US4711115A (en) * | 1985-12-30 | 1987-12-08 | Aluminum Company Of America | Method for forming memory discs by forging |
-
1985
- 1985-12-28 JP JP60297596A patent/JPH0638964B2/ja not_active Expired - Lifetime
-
1987
- 1987-01-05 DE DE19873790007 patent/DE3790007T1/de not_active Withdrawn
- 1987-01-05 KR KR870700771A patent/KR880700697A/ko not_active Application Discontinuation
- 1987-01-05 GB GB8719745A patent/GB2194188B/en not_active Expired - Lifetime
- 1987-01-05 WO PCT/JP1987/000004 patent/WO1987004094A1/ja active Application Filing
- 1987-10-27 US US07/110,764 patent/US4823578A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2194188A (en) | 1988-03-02 |
GB2194188B (en) | 1990-07-04 |
WO1987004094A1 (en) | 1987-07-16 |
GB8719745D0 (en) | 1987-09-30 |
DE3790007T1 (ko) | 1988-03-31 |
JPS62157326A (ja) | 1987-07-13 |
US4823578A (en) | 1989-04-25 |
JPH0638964B2 (ja) | 1994-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19870825 |
|
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A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19920104 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19870825 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19950327 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 19950620 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 19950327 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |