DE3790008T1 - - Google Patents
Info
- Publication number
- DE3790008T1 DE3790008T1 DE19873790008 DE3790008T DE3790008T1 DE 3790008 T1 DE3790008 T1 DE 3790008T1 DE 19873790008 DE19873790008 DE 19873790008 DE 3790008 T DE3790008 T DE 3790008T DE 3790008 T1 DE3790008 T1 DE 3790008T1
- Authority
- DE
- Germany
- 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- Withdrawn
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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60297594A JPH0638963B2 (ja) | 1985-12-28 | 1985-12-28 | メモリ−デイスク用金属基板の製造方法 |
JP29759585A JPS62157325A (ja) | 1985-12-28 | 1985-12-28 | メモリ−デイスク用金属基板の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3790008T1 true DE3790008T1 (de) | 1988-03-10 |
Family
ID=26561178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873790008 Withdrawn DE3790008T1 (de) | 1985-12-28 | 1987-01-05 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4825680A (de) |
KR (1) | KR880700696A (de) |
DE (1) | DE3790008T1 (de) |
GB (1) | GB2194187B (de) |
WO (1) | WO1987004093A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004045883A1 (de) * | 2004-09-22 | 2006-04-06 | Diehl Bgt Defence Gmbh & Co. Kg | Verfahren zur Herstellung eines Spiegels aus einem Werkstoff auf Titanbasis, sowie Spiegel aus einem solchem Werkstoff |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202810A (en) * | 1989-04-27 | 1993-04-13 | Hitachi, Ltd. | Magnetic disk having an improved surface configuration |
US5335526A (en) * | 1991-01-29 | 1994-08-09 | Garrison Marvin C | Method of manufacturing substrates for memory disks |
US5554428A (en) * | 1994-09-01 | 1996-09-10 | Aluminum Company Of America | Memory disk sheet stock and method |
US5747135A (en) * | 1995-12-08 | 1998-05-05 | Aluminum Company Of America | Thin film pretreatment for memory disks and associated methods |
US5948495A (en) * | 1996-07-01 | 1999-09-07 | Alyn Corporation | Ceramic-metal matrix composites for magnetic disk substrates for hard disk drives |
US5895696A (en) * | 1996-07-01 | 1999-04-20 | Alyn Corporation | Metal-clad ceramic-metal matrix composites for magnetic disk substrates for hard disk drives |
US5712014A (en) * | 1996-07-01 | 1998-01-27 | Alyn Corporation | Metal matrix compositions for substrates used to make magnetic disks for hard disk drives |
US6001138A (en) * | 1997-08-22 | 1999-12-14 | Micron Communications, Inc. | Methods of forming battery electrodes |
US7179551B2 (en) | 1999-02-12 | 2007-02-20 | General Electric Company | Poly(arylene ether) data storage media |
AU2880100A (en) | 1999-02-12 | 2000-08-29 | General Electric Company | Data storage media |
DE19921242C1 (de) * | 1999-05-07 | 2000-10-26 | Siemens Ag | Verfahren zum Positionieren des Stellantriebs in einem Kraftstoffinjektor und Vorrichtung zur Durchführung des Verfahrens |
US7283330B2 (en) * | 2002-04-25 | 2007-10-16 | Hitachi Global Storage Technologies Netherlands B.V. | Method of manufacturing a suspension using coining |
TW200827057A (en) * | 2006-12-29 | 2008-07-01 | Hon Hai Prec Ind Co Ltd | Bezel and method of making the bezel |
CN102335700A (zh) * | 2010-07-16 | 2012-02-01 | 欧朋达科技(深圳)有限公司 | 金属成型方法及工艺装备 |
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 |
US2858607A (en) * | 1955-04-18 | 1958-11-04 | Kane Edward | Electric razor with rotary operated double edged blades |
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 |
-
1987
- 1987-01-05 WO PCT/JP1987/000001 patent/WO1987004093A1/ja active Application Filing
- 1987-01-05 US US07/110,765 patent/US4825680A/en not_active Expired - Fee Related
- 1987-01-05 DE DE19873790008 patent/DE3790008T1/de not_active Withdrawn
- 1987-01-05 GB GB8719744A patent/GB2194187B/en not_active Expired - Lifetime
- 1987-08-25 KR KR870700761A patent/KR880700696A/ko not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004045883A1 (de) * | 2004-09-22 | 2006-04-06 | Diehl Bgt Defence Gmbh & Co. Kg | Verfahren zur Herstellung eines Spiegels aus einem Werkstoff auf Titanbasis, sowie Spiegel aus einem solchem Werkstoff |
US7476145B2 (en) | 2004-09-22 | 2009-01-13 | Diehl Bgt Defence Gmbh & Co. Kg | Method for producing a mirror from a titanium-based material, and a mirror made from such a material |
Also Published As
Publication number | Publication date |
---|---|
US4825680A (en) | 1989-05-02 |
GB2194187B (en) | 1990-07-04 |
WO1987004093A1 (en) | 1987-07-16 |
KR880700696A (ko) | 1988-04-11 |
GB2194187A (en) | 1988-03-02 |
GB8719744D0 (en) | 1987-09-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8125 | Change of the main classification |
Ipc: B23P 9/02 |
|
8127 | New person/name/address of the applicant |
Owner name: FURUKAWA ALUMINUM CO., LTD., TOKIO/TOKYO, JP KAWAS |
|
8128 | New person/name/address of the agent |
Representative=s name: WAGNER, K., DIPL.-ING. GEYER, U., DIPL.-PHYS. DR.R |
|
8141 | Disposal/no request for examination |