ES418164A1 - Procedimiento para la preparacion de circuitos de impresos de varias caras. - Google Patents

Procedimiento para la preparacion de circuitos de impresos de varias caras.

Info

Publication number: ES418164A1
Authority: ES; Spain
Prior art keywords: photosensitive material; translation; preparation; machine; legally binding
Prior art date: 1972-08-25
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

ES418164A

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.)

Novartis AG

Original Assignee

Ciba Geigy AG

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.)

1972-08-25

Filing date

1973-08-24

Publication date

1976-06-01

1972-08-25 Priority claimed from CH1265872A external-priority patent/CH576739A5/xx

1973-08-24 Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG

1976-06-01 Publication of ES418164A1 publication Critical patent/ES418164A1/es

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title abstract 2
238000002360 preparation method Methods 0.000 title abstract 2
239000000463 material Substances 0.000 abstract 4
239000003518 caustics Substances 0.000 abstract 1
239000011248 coating agent Substances 0.000 abstract 1
238000000576 coating method Methods 0.000 abstract 1
150000001875 compounds Chemical class 0.000 abstract 1
125000003700 epoxy group Chemical group 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
239000007788 liquid Substances 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
239000011368 organic material Substances 0.000 abstract 1
239000003960 organic solvent Substances 0.000 abstract 1
239000004848 polyfunctional curative Substances 0.000 abstract 1

Landscapes

Production Of Multi-Layered Print Wiring Board (AREA)

ES418164A 1972-08-25 1973-08-24 Procedimiento para la preparacion de circuitos de impresos de varias caras. Expired ES418164A1 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH1265872A CH576739A5 (it)	1972-08-25	1972-08-25
CH1010373		1973-07-11

Publications (1)

Publication Number	Publication Date
ES418164A1 true ES418164A1 (es)	1976-06-01

Family

ID=25705941

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES418164A Expired ES418164A1 (es)	1972-08-25	1973-08-24	Procedimiento para la preparacion de circuitos de impresos de varias caras.

Country Status (2)

Country	Link
ES (1)	ES418164A1 (it)
IT (1)	IT993058B (it)

1973
- 1973-08-24 ES ES418164A patent/ES418164A1/es not_active Expired
- 1973-08-24 IT IT2821073A patent/IT993058B/it active

Also Published As

Publication number	Publication date
IT993058B (it)	1975-09-30

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