SE440018B - Tryckt krets och forfarande for dess framstellning - Google Patents

Tryckt krets och forfarande for dess framstellning

Info

Publication number
SE440018B
SE440018B SE7811130A SE7811130A SE440018B SE 440018 B SE440018 B SE 440018B SE 7811130 A SE7811130 A SE 7811130A SE 7811130 A SE7811130 A SE 7811130A SE 440018 B SE440018 B SE 440018B
Authority
SE
Sweden
Prior art keywords
conductor tracks
conductor
varnish
layer
lacquer layer
Prior art date
Application number
SE7811130A
Other languages
English (en)
Swedish (sv)
Other versions
SE7811130L (sv
Inventor
I Berlitz
T Hargita
H Hafner
Original Assignee
Ruf Kg Wilhelm
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 Ruf Kg Wilhelm filed Critical Ruf Kg Wilhelm
Publication of SE7811130L publication Critical patent/SE7811130L/xx
Publication of SE440018B publication Critical patent/SE440018B/sv

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/22Secondary treatment of printed circuits
    • H05K3/24Reinforcing the conductive pattern
    • H05K3/245Reinforcing conductive patterns made by printing techniques or by other techniques for applying conductive pastes, inks or powders; Reinforcing other conductive patterns by such techniques
    • H05K3/247Finish coating of conductors by using conductive pastes, inks or powders
    • H05K3/249Finish coating of conductors by using conductive pastes, inks or powders comprising carbon particles as main constituent
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/10Apparatus 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
    • H05K3/12Apparatus 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 using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1208Pretreatment of the circuit board, e.g. modifying wetting properties; Patterning by using affinity patterns
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/46Manufacturing multilayer circuits
    • H05K3/4685Manufacturing of cross-over conductors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/09Use of materials for the conductive, e.g. metallic pattern
    • H05K1/092Dispersed materials, e.g. conductive pastes or inks
    • H05K1/095Dispersed materials, e.g. conductive pastes or inks for polymer thick films, i.e. having a permanent organic polymeric binder
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/01Dielectrics
    • H05K2201/0137Materials
    • H05K2201/0166Polymeric layer used for special processing, e.g. resist for etching insulating material or photoresist used as a mask during plasma etching
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03Conductive materials
    • H05K2201/0332Structure of the conductor
    • H05K2201/0335Layered conductors or foils
    • H05K2201/035Paste overlayer, i.e. conductive paste or solder paste over conductive layer
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/07Electric details
    • H05K2201/0753Insulation
    • H05K2201/0769Anti metal-migration, e.g. avoiding tin whisker growth

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Insulated Metal Substrates For Printed Circuits (AREA)
SE7811130A 1977-10-27 1978-10-26 Tryckt krets och forfarande for dess framstellning SE440018B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2748271A DE2748271C3 (de) 1977-10-27 1977-10-27 Gedruckte Leiterplatte und Verfahren zur Herstellung derselben

Publications (2)

Publication Number Publication Date
SE7811130L SE7811130L (sv) 1979-04-28
SE440018B true SE440018B (sv) 1985-07-08

Family

ID=6022447

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811130A SE440018B (sv) 1977-10-27 1978-10-26 Tryckt krets och forfarande for dess framstellning

Country Status (7)

Country Link
AT (1) AT378309B (de)
DE (1) DE2748271C3 (de)
FR (1) FR2407640A1 (de)
GB (1) GB2007029B (de)
IT (1) IT1100138B (de)
SE (1) SE440018B (de)
YU (2) YU247978A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3013667C2 (de) * 1980-04-09 1983-01-20 Wilhelm Ruf KG, 8000 München Leiterplatte und Verfahren zu deren Herstellung
EP0196865B1 (de) * 1985-03-27 1990-09-12 Ibiden Co, Ltd. Substrate für elektronische Schaltungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535843B2 (de) * 1972-12-28 1980-09-17
DE2424747C3 (de) * 1974-05-21 1978-11-02 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Gedruckte Schaltung
DE7624175U1 (de) * 1976-07-31 1976-11-25 Wilhelm Ruf Kg, 8000 Muenchen Tastatur

Also Published As

Publication number Publication date
FR2407640B3 (de) 1981-06-26
SE7811130L (sv) 1979-04-28
FR2407640A1 (fr) 1979-05-25
GB2007029A (en) 1979-05-10
ATA734778A (de) 1984-11-15
AT378309B (de) 1985-07-25
IT7829084A0 (it) 1978-10-25
IT1100138B (it) 1985-09-28
GB2007029B (en) 1982-09-22
YU41275B (en) 1986-12-31
DE2748271A1 (de) 1979-05-03
YU240182A (en) 1985-04-30
YU247978A (en) 1983-01-21
DE2748271B2 (de) 1980-08-07
DE2748271C3 (de) 1981-07-16

Similar Documents

Publication Publication Date Title
US4287394A (en) Keyboard switch assembly with printed circuit board
CN101268526B (zh) 芯片电阻器
US7262682B2 (en) Resistor element, stress sensor, and method for manufacturing them
US4214122A (en) Resistive planar graphical entry device
US4463338A (en) Electrical network and method for producing the same
CN100553409C (zh) 布线电路基板
US4045636A (en) Keyboard switch assembly having printed circuit board with plural layer exposed contacts and undersurface jumper connections
KR950006469A (ko) 프로브 및 전기부품/회로검사 장치 및 전기부품/회로검사 방법
JPS59151029A (ja) 力変換器
SE440836B (sv) Tryckknappsstromstellare
US4391845A (en) Method of making a membrane switch
US6107671A (en) Film device provided with a resistance-adjustable resistive element
SE8506085D0 (sv) Synchronously operable electrical current switching apparatus having multiple circuit switching capability and/or reduced contact resistance
KR920007747B1 (ko) 쉬트형 스위치소자(Sheet switch)
US4817436A (en) Measuring device forming fluxmeter and temperature sensor combined and process for preparing the same
US4405849A (en) Switching contact
US4087779A (en) Printed circuit and method of making
MY133863A (en) Passive component integrated circuit chip
SE440018B (sv) Tryckt krets och forfarande for dess framstellning
ATE40615T1 (de) Halbleiterbauelement mit hoeckerartigen, metallischen anschlusskontakten und mehrlagenverdrahtung.
US6248964B1 (en) Thick film on metal encoder element
JPWO2020031844A1 (ja) 抵抗器
US4420663A (en) Material for electrical devices having a flexible member
US9472361B1 (en) Circuit board contacts used to implement switch contacts of keypads and keyboards
GB1369689A (en) Method of forming thin film circuitry

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7811130-9

Effective date: 19891023

Format of ref document f/p: F