ES274921A1 - Metodo de fabricaciën de discos fonograficos - Google Patents

Metodo de fabricaciën de discos fonograficos

Info

Publication number: ES274921A1
Authority: ES; Spain
Prior art keywords: manufacturing; electroplating; relating; methods; negative
Prior art date: 1961-02-27
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

Application number

ES0274921A

Other languages

English (en)

Spanish (es)

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1961-02-27

Filing date

1962-02-24

Publication date

1962-05-01

1962-02-24 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1962-05-01 Publication of ES274921A1 publication Critical patent/ES274921A1/es

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title 1
238000009713 electroplating Methods 0.000 abstract 3
239000004922 lacquer Substances 0.000 abstract 2
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
238000007747 plating Methods 0.000 abstract 1
238000003825 pressing Methods 0.000 abstract 1
229910052709 silver Inorganic materials 0.000 abstract 1
239000004332 silver Substances 0.000 abstract 1

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/68—Record carriers
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

Polishing Bodies And Polishing Tools (AREA)
Chemically Coating (AREA)

ES0274921A 1961-02-27 1962-02-24 Metodo de fabricaciën de discos fonograficos Expired ES274921A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL261738		1961-02-27

Publications (1)

Publication Number	Publication Date
ES274921A1 true ES274921A1 (es)	1962-05-01

Family

ID=19752899

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES0274921A Expired ES274921A1 (es)	1961-02-27	1962-02-24	Metodo de fabricaciën de discos fonograficos

Country Status (4)

Country	Link
DK (1)	DK108943C (da)
ES (1)	ES274921A1 (da)
FR (1)	FR1316210A (da)
GB (1)	GB924781A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4113897A (en)	1973-01-29	1978-09-12	Rca Corporation	Smooth groove formation method employing spin coating of negative replica of inscribed disc

1962
- 1962-02-23 GB GB716562A patent/GB924781A/en not_active Expired
- 1962-02-24 ES ES0274921A patent/ES274921A1/es not_active Expired
- 1962-02-24 DK DK87862A patent/DK108943C/da active
- 1962-02-26 FR FR889211A patent/FR1316210A/fr not_active Expired

Also Published As

Publication number	Publication date
FR1316210A (fr)	1963-01-25
DK108943C (da)	1968-02-26
GB924781A (en)	1963-05-01

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