JPS5558372A - Substrate - Google Patents

Substrate

Info

Publication number
JPS5558372A
JPS5558372A JP13235678A JP13235678A JPS5558372A JP S5558372 A JPS5558372 A JP S5558372A JP 13235678 A JP13235678 A JP 13235678A JP 13235678 A JP13235678 A JP 13235678A JP S5558372 A JPS5558372 A JP S5558372A
Authority
JP
Japan
Prior art keywords
layer
substrate
glass layer
crystallized
oxide layer
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.)
Granted
Application number
JP13235678A
Other languages
Japanese (ja)
Other versions
JPS5811112B2 (en
Inventor
Nobuyuki Mizunoya
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP53132356A priority Critical patent/JPS5811112B2/en
Publication of JPS5558372A publication Critical patent/JPS5558372A/en
Publication of JPS5811112B2 publication Critical patent/JPS5811112B2/en
Expired legal-status Critical Current

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
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Insulated Metal Substrates For Printed Circuits (AREA)

Abstract

PURPOSE:To substrate for electrical wiring which is obtainable by forming an oxide layer on the surface of a metal substrate and further forming a crystallized galss layer and molten glass layer thereon and which is flat in the glass layer surface and is superior in dielectric strength. CONSTITUTION:A metal substrate 1 of 0.1-2.0mm thick of Fe-Ni, Fe-Cr, etc. whose coefficients of thermal expansion are approximate to those of glass is heated to 800-1200 deg.C to form an oxide layer 2 on the surface thereof. Next, a crystallized glass layer 3 composed of glass such as Al2O3, SiO2, B2O3, PbO, TiO2, etc. is formed thereon to thicknesses of 10-30mu, after which it is fired at 800-900 deg.C. The surface of this crystallized glass layer 3 is smooth and in its bottom the crystals firmly combine with the oxide layer 2 and are thereby bonded. Further on this is formed a molten glass layer 4 such as of Al2O3, SiO2, B2O3, PbO, etc. to thicknesses of 30-100mu, which is then fired at 800-900 deg.C. The surface of the molten glass layer 4 becomes good wiring members and has superior characteristics as a wiring substrate and substrate for face heater.
JP53132356A 1978-10-27 1978-10-27 substrate Expired JPS5811112B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53132356A JPS5811112B2 (en) 1978-10-27 1978-10-27 substrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53132356A JPS5811112B2 (en) 1978-10-27 1978-10-27 substrate

Publications (2)

Publication Number Publication Date
JPS5558372A true JPS5558372A (en) 1980-05-01
JPS5811112B2 JPS5811112B2 (en) 1983-03-01

Family

ID=15079439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53132356A Expired JPS5811112B2 (en) 1978-10-27 1978-10-27 substrate

Country Status (1)

Country Link
JP (1) JPS5811112B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018994A (en) * 1983-07-13 1985-01-31 日立化成工業株式会社 Method of producing porcelain substrate for printed circuit board
JPS6045458U (en) * 1983-09-07 1985-03-30 株式会社フジクラ enameled printed circuit board
JPS6347956A (en) * 1986-08-15 1988-02-29 Sumitomo Special Metals Co Ltd Laminated substrate for electronic component
JPS6347957A (en) * 1986-08-15 1988-02-29 Sumitomo Special Metals Co Ltd Laminated substrate for electronic component

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018994A (en) * 1983-07-13 1985-01-31 日立化成工業株式会社 Method of producing porcelain substrate for printed circuit board
JPS6045458U (en) * 1983-09-07 1985-03-30 株式会社フジクラ enameled printed circuit board
JPS6347956A (en) * 1986-08-15 1988-02-29 Sumitomo Special Metals Co Ltd Laminated substrate for electronic component
JPS6347957A (en) * 1986-08-15 1988-02-29 Sumitomo Special Metals Co Ltd Laminated substrate for electronic component

Also Published As

Publication number Publication date
JPS5811112B2 (en) 1983-03-01

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