IT944408B - Circuiti stampati - Google Patents

Circuiti stampati

Info

Publication number: IT944408B
Authority: IT; Italy
Prior art keywords: printed circuits; printed; circuits
Prior art date: 1970-12-31

Application number

IT32990/71A

Other languages

English (en)

Original Assignee

Shell 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.)

1970-12-31

Filing date

1971-12-27

Publication date

1973-04-20

1971-12-27 Application filed by Shell Nv filed Critical Shell Nv

1973-04-20 Application granted granted Critical

1973-04-20 Publication of IT944408B publication Critical patent/IT944408B/it

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0346—Organic insulating material consisting of one material containing N
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Polyurethanes Or Polyureas (AREA)
Laminated Bodies (AREA)
Reinforced Plastic Materials (AREA)

IT32990/71A 1970-12-31 1971-12-27 Circuiti stampati IT944408B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB6201370		1970-12-31

Publications (1)

Publication Number	Publication Date
IT944408B true IT944408B (it)	1973-04-20

Family

ID=10487778

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT32990/71A IT944408B (it)	1970-12-31	1971-12-27	Circuiti stampati

Country Status (6)

Country	Link
BE (1)	BE777094A (it)
DE (1)	DE2165356A1 (it)
FR (1)	FR2121070A5 (it)
GB (1)	GB1331517A (it)
IT (1)	IT944408B (it)
NL (1)	NL7118011A (it)

1970
- 1970-12-31 GB GB6201370A patent/GB1331517A/en not_active Expired
1971
- 1971-12-22 BE BE777094A patent/BE777094A/nl unknown
- 1971-12-27 IT IT32990/71A patent/IT944408B/it active
- 1971-12-29 FR FR7147285A patent/FR2121070A5/fr not_active Expired
- 1971-12-29 DE DE19712165356 patent/DE2165356A1/de active Pending
- 1971-12-29 NL NL7118011A patent/NL7118011A/xx unknown

Also Published As

Publication number	Publication date
GB1331517A (en)	1973-09-26
BE777094A (nl)	1972-06-22
NL7118011A (it)	1972-07-04
DE2165356A1 (de)	1972-07-20
FR2121070A5 (it)	1972-08-18

Publication	Publication Date	Title
SE400132B (sv)	1978-03-13	Referensspenningskrets
FI53549C (fi)	1978-06-12	Saett att framstaella en laminerad fiber-filamentstruktur
AT311092B (de)	1973-10-25	Halbleiterschaltung
IT942603B (it)	1973-04-02	Elemento memorizzatore elettronico
IT939106B (it)	1973-02-10	Struttura di bobina formata con circuiti stampati
DK140928C (da)	1980-05-19	Stroemkreds for bremselygter
CH525519A (de)	1972-07-15	Funktionsbildende Schaltungsanordnung
CH534958A (fr)	1973-03-15	Coupe-circuit
AT335535B (de)	1977-03-10	Farbtonkorrekturschaltung
DK143928C (da)	1982-04-19	Squelchkredsloeb
CH516230A (de)	1971-11-30	Integrierter Schaltkreis
FI54568B (fi)	1978-09-29	Anordning foer att bredda metalltuber till konisk form
SE383570B (sv)	1976-03-15	Reglerkrets
AT308856B (de)	1973-07-25	Oszillatorschaltung
BE766980A (fr)	1971-10-01	Circuit multivibrateur
FI55614B (fi)	1979-05-31	Saett att medelst aonga torka filterkakor
BE769520A (fr)	1971-11-16	Circuit a semi-conducteur
CH495634A (de)	1970-08-31	Integrierte Schaltung
CH530873A (de)	1972-11-30	Zeichenplatte
BE761849A (fr)	1971-07-01	Circuit microelectronique
BE751003A (fr)	1970-11-27	Circuits imprimes perfectionnes
IT944408B (it)	1973-04-20	Circuiti stampati
IT944452B (it)	1973-04-20	Circuiti stampati
AT310849B (de)	1973-10-25	Schutzschalter
GB1342963A (en)	1974-01-10	Printed circuits