GB739136A - Improvements in or relating to electrical resistors - Google Patents

Improvements in or relating to electrical resistors

Info

Publication number
GB739136A
GB739136A GB2864353A GB2864353A GB739136A GB 739136 A GB739136 A GB 739136A GB 2864353 A GB2864353 A GB 2864353A GB 2864353 A GB2864353 A GB 2864353A GB 739136 A GB739136 A GB 739136A
Authority
GB
United Kingdom
Prior art keywords
coating
resistance film
silver
cement
resistance
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
GB2864353A
Inventor
George Victor Planer
Peter Edward Graham
Robert William Windebank
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.)
ERG Industrial Corp Ltd
Original Assignee
ERG Industrial Corp 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 ERG Industrial Corp Ltd filed Critical ERG Industrial Corp Ltd
Priority to GB2864353A priority Critical patent/GB739136A/en
Publication of GB739136A publication Critical patent/GB739136A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H01C1/146—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the resistive element surrounding the terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H01C1/148—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals embracing or surrounding the resistive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Resistors (AREA)
  • Non-Adjustable Resistors (AREA)

Abstract

739,136. Resistance coatings and deposits; mounting terminals; direct connection between conductors. ERG. INDUSTRIAL CORPORATION, Ltd. June 22, 1954 [Oct. 16, 1953], No. 28643/53. Classes 37 and 38 (1). The resistance element is a metal oxide or metal coating which overlaps the metal terminal coatings. The latter have a thickness of the order of not more than four times the thickness of the resistance coating. In Fig. 1 an insulating rod 10 has platinum and silver terminal coatings 11, 12 and end caps 13 and the resistance film 14 extends on to the platinum coating 11 and may as shown overlie silver coating 12 and end cap 13. In Fig. 2 the resistance film 14 contacts silver coating 16 and overlies end cap 13 and conductive cement 17 covers the resistance film 14 to beyond the end of silver coating 16 along the rod 10. In a modification to Fig. 2 shown in Fig. 3 connecting wires 13a are used and the edge or end 16a of silver coating 16 is 45 degrees and the edge of cement layer 17 oppositely 45 degrees in relation to rod 10 so that in some areas the cement 17 overlies the silver coating 16 and the resistance film 14 and in other areas overlies the resistance film 14 only. The silver coating 16 may be formed by dipping in silver oxide or resinate and firing at 500‹ C. and the conductive cement 17 is suitably a low-temperature curing (say below 150‹ C.) conductive particles/plastic binder mixture or silicone cement or silvergraphite mixture. The resistance film 14 may be of " Nichrome " (Registered - Trade Mark) applied by vaporization on to a roughened glass rod 10 and subsequently formed into a helix. Finally as at 15 there is provided a protective coating of enamel, varnish or paint.
GB2864353A 1953-10-16 1953-10-16 Improvements in or relating to electrical resistors Expired GB739136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2864353A GB739136A (en) 1953-10-16 1953-10-16 Improvements in or relating to electrical resistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2864353A GB739136A (en) 1953-10-16 1953-10-16 Improvements in or relating to electrical resistors

Publications (1)

Publication Number Publication Date
GB739136A true GB739136A (en) 1955-10-26

Family

ID=10278837

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2864353A Expired GB739136A (en) 1953-10-16 1953-10-16 Improvements in or relating to electrical resistors

Country Status (1)

Country Link
GB (1) GB739136A (en)

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