GB1342963A - Printed circuits - Google Patents
Printed circuitsInfo
- Publication number
- GB1342963A GB1342963A GB2473071*A GB2473071A GB1342963A GB 1342963 A GB1342963 A GB 1342963A GB 2473071 A GB2473071 A GB 2473071A GB 1342963 A GB1342963 A GB 1342963A
- Authority
- GB
- United Kingdom
- Prior art keywords
- printed circuits
- printed
- circuits
- 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.)
- Expired
Links
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
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/167—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
- H01C17/075—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thin film techniques
- H01C17/08—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thin film techniques by vapour deposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
- H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
- H01C17/2408—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by pulsed voltage erosion, e.g. spark erosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
- H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
- H01C17/2416—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by chemical etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/30—Apparatus or processes specially adapted for manufacturing resistors adapted for baking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/006—Thin film resistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N97/00—Electric solid-state thin-film or thick-film devices, not otherwise provided for
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0302—Properties and characteristics in general
- H05K2201/0317—Thin film conductor layer; Thin film passive component
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/03—Metal processing
- H05K2203/0361—Stripping a part of an upper metal layer to expose a lower metal layer, e.g. by etching or using a laser
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/162—Testing a finished product, e.g. heat cycle testing of solder joints
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/17—Post-manufacturing processes
- H05K2203/171—Tuning, e.g. by trimming of printed components or high frequency circuits
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/08—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed by electric discharge, e.g. by spark erosion
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/108—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by semi-additive methods; masks therefor
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/388—Improvement of the adhesion between the insulating substrate and the metal by the use of a metallic or inorganic thin film adhesion layer
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6794170 | 1970-03-20 | ||
IT6938870 | 1970-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1342963A true GB1342963A (en) | 1974-01-10 |
Family
ID=26329851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2473071*A Expired GB1342963A (en) | 1970-03-20 | 1971-04-19 | Printed circuits |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2114118A1 (en) |
FR (1) | FR2084834A5 (en) |
GB (1) | GB1342963A (en) |
NL (1) | NL7103625A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2833919C2 (en) * | 1978-08-02 | 1982-06-09 | Siemens AG, 1000 Berlin und 8000 München | Process for the production of electrical layer circuits on plastic foils |
DE2916329C3 (en) * | 1979-04-23 | 1982-03-11 | Siemens AG, 1000 Berlin und 8000 München | Electrical network |
-
1971
- 1971-03-18 FR FR7109571A patent/FR2084834A5/fr not_active Expired
- 1971-03-18 NL NL7103625A patent/NL7103625A/xx unknown
- 1971-03-19 DE DE19712114118 patent/DE2114118A1/en active Pending
- 1971-04-19 GB GB2473071*A patent/GB1342963A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2084834A5 (en) | 1971-12-17 |
NL7103625A (en) | 1971-09-22 |
DE2114118A1 (en) | 1971-09-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA961986A (en) | Circuit board | |
GB1352301A (en) | Printing apparatus | |
ZA716094B (en) | Constructional component | |
ZA715486B (en) | Electrical circuits | |
MY7600207A (en) | Mixer circuit | |
ZA713672B (en) | Printing apparatus | |
ZA714780B (en) | Soldering | |
ZA713671B (en) | Printing apparatus | |
CA957783A (en) | Printed circuits | |
GB1342963A (en) | Printed circuits | |
ZA713673B (en) | Printing apparatus | |
GB1350477A (en) | Printing apparatus | |
ZA723705B (en) | Warning circuits | |
GB1350678A (en) | Printing | |
CA929811A (en) | Printed circuits | |
KR780000387B1 (en) | Protection circuit | |
IL37531A (en) | (2-alkyl-4-halophenyl)-formamidines | |
IL30260A0 (en) | Printed circuits | |
BE777094A (en) | PRINTED CIRCUITS | |
BE776997A (en) | PRINTED CIRCUITS | |
GB1355430A (en) | Printing apparatus | |
ZA711233B (en) | Selection circuits | |
CA785447A (en) | Printed circuits | |
ZA708261B (en) | Interfacing circuit | |
AU3175471A (en) | Improved gypsym board |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |