GB865918A - Improvements in or relating to electrical resistors - Google Patents

Improvements in or relating to electrical resistors

Info

Publication number
GB865918A
GB865918A GB2979957A GB2979957A GB865918A GB 865918 A GB865918 A GB 865918A GB 2979957 A GB2979957 A GB 2979957A GB 2979957 A GB2979957 A GB 2979957A GB 865918 A GB865918 A GB 865918A
Authority
GB
United Kingdom
Prior art keywords
alumina
mixture
pressing
antimony oxides
given
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
Application number
GB2979957A
Inventor
John Rodney Balmer
Eric Tomkins
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.)
SECR AVIATION
Minister of Aviation
Original Assignee
SECR AVIATION
Minister of Aviation
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 SECR AVIATION, Minister of Aviation filed Critical SECR AVIATION
Priority to GB2979957A priority Critical patent/GB865918A/en
Publication of GB865918A publication Critical patent/GB865918A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of oxides

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Adjustable Resistors (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)

Abstract

865,918. Refractory compositions. MINISTER OF AVIATION. Dec. 2, 1958 [Sept. 23, 1957; April 3, 1958], Nos. 29799/57 and 10760/58. Class 22. [Also in Group XXXVI] A resistive material is made from alumina, tin and antimony oxides and a vitrous diluent having a lower melting point than alumina, by grinding the materials, pressing them and then firing the mixture. One such material comprises tin and antimony oxides 47%, glass 47%, alumina 6%. Examples using other proportions are also given. Resistors are made from the material by mixing the system with 0À5% gum acacia and 5% water and pressing at 5 tons per square inch into flat plates. Silver contacts are painted on to the ends and the mixture fired. A table is given showing resistivities and temperatures co-efficients of various compositions of mixture.
GB2979957A 1957-09-23 1957-09-23 Improvements in or relating to electrical resistors Expired GB865918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2979957A GB865918A (en) 1957-09-23 1957-09-23 Improvements in or relating to electrical resistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2979957A GB865918A (en) 1957-09-23 1957-09-23 Improvements in or relating to electrical resistors

Publications (1)

Publication Number Publication Date
GB865918A true GB865918A (en) 1961-04-26

Family

ID=10297344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2979957A Expired GB865918A (en) 1957-09-23 1957-09-23 Improvements in or relating to electrical resistors

Country Status (1)

Country Link
GB (1) GB865918A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2064253A1 (en) * 1969-10-11 1971-07-16 Ngk Insulators Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2064253A1 (en) * 1969-10-11 1971-07-16 Ngk Insulators Ltd

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