JPS5233702A - Method of moulding high density recording disk - Google Patents

Method of moulding high density recording disk

Info

Publication number
JPS5233702A
JPS5233702A JP11030575A JP11030575A JPS5233702A JP S5233702 A JPS5233702 A JP S5233702A JP 11030575 A JP11030575 A JP 11030575A JP 11030575 A JP11030575 A JP 11030575A JP S5233702 A JPS5233702 A JP S5233702A
Authority
JP
Japan
Prior art keywords
recording disk
high density
density recording
moulding high
disk
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.)
Granted
Application number
JP11030575A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5622063B2 (enrdf_load_stackoverflow
Inventor
Yasuhiro Maki
Isao Iida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IKEGAMI KAKEN KOGYO KK
Pioneer Corp
Original Assignee
IKEGAMI KAKEN KOGYO KK
Pioneer Electronic Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IKEGAMI KAKEN KOGYO KK, Pioneer Electronic Corp filed Critical IKEGAMI KAKEN KOGYO KK
Priority to JP11030575A priority Critical patent/JPS5233702A/ja
Publication of JPS5233702A publication Critical patent/JPS5233702A/ja
Publication of JPS5622063B2 publication Critical patent/JPS5622063B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
JP11030575A 1975-09-11 1975-09-11 Method of moulding high density recording disk Granted JPS5233702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11030575A JPS5233702A (en) 1975-09-11 1975-09-11 Method of moulding high density recording disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11030575A JPS5233702A (en) 1975-09-11 1975-09-11 Method of moulding high density recording disk

Publications (2)

Publication Number Publication Date
JPS5233702A true JPS5233702A (en) 1977-03-15
JPS5622063B2 JPS5622063B2 (enrdf_load_stackoverflow) 1981-05-22

Family

ID=14532320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11030575A Granted JPS5233702A (en) 1975-09-11 1975-09-11 Method of moulding high density recording disk

Country Status (1)

Country Link
JP (1) JPS5233702A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578932A (en) * 1980-06-20 1982-01-18 Toppan Printing Co Ltd Manufacture of high-density information recording carrier

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6235562U (enrdf_load_stackoverflow) * 1985-08-22 1987-03-02

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103846A (enrdf_load_stackoverflow) * 1973-02-08 1974-10-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49103846A (enrdf_load_stackoverflow) * 1973-02-08 1974-10-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578932A (en) * 1980-06-20 1982-01-18 Toppan Printing Co Ltd Manufacture of high-density information recording carrier

Also Published As

Publication number Publication date
JPS5622063B2 (enrdf_load_stackoverflow) 1981-05-22

Similar Documents

Publication Publication Date Title
NL7702576A (nl) Magnetisch registratiemateriaal, alsmede werkwijze voor de vervaardiging daarvan.
JPS5240578A (en) Method and device for manufacturing film by molding
JPS51128345A (en) Thermally stable high nitrileecontaining resins and process for manufacture
GB1539762A (en) Parting composition for tyre mouldings
JPS5233702A (en) Method of moulding high density recording disk
JPS5385403A (en) Manufacture of magnetic recording medium
JPS5321903A (en) Preparation of magnetic disc substrate
JPS5340505A (en) Magnetic recordinf medium
JPS5331103A (en) Forming method of protecting layer of recording members
JPS5381110A (en) Manufacture of magnetic film head
JPS5233701A (en) Method of mouling high density recording disk
JPS51151115A (en) Manufacturing method of thin film integrated magnetic head
JPS5276901A (en) Production of master disc for rotary recording media
JPS525082A (en) Polishing method
JPS5233713A (en) Thin film magnetic head
JPS5424974A (en) Method of parallel production of a plurality of pipes
IT1076840B (it) Procedimento per produrre elementi stampati in resina fenolica con mantello metallico
JPS529900A (en) Manufacturing method of ferromagnetic metallic powder
JPS538108A (en) Magnetic recording medium
JPS5237406A (en) Manufacturing method of magnetic recorder
JPS52153412A (en) Production of electric substrate
CA1007524A (en) Method for forming an iron-manganese carbide layer on the surface of an iron base alloy article containing carbon
JPS51124905A (en) Magnetic recording material
JPS51117983A (en) A process for producing a compound film
JPS52152706A (en) Base plate for magnetic disc