FR772999A - Improvement in electrical resistances - Google Patents

Improvement in electrical resistances

Info

Publication number
FR772999A
FR772999A FR772999DA FR772999A FR 772999 A FR772999 A FR 772999A FR 772999D A FR772999D A FR 772999DA FR 772999 A FR772999 A FR 772999A
Authority
FR
France
Prior art keywords
improvement
electrical resistances
resistances
electrical
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
Other languages
French (fr)
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.)
LE CARBONE SA
Original Assignee
LE CARBONE SA
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 LE CARBONE SA filed Critical LE CARBONE SA
Application granted granted Critical
Publication of FR772999A publication Critical patent/FR772999A/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
    • H01C17/22—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
    • H01C17/245—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by mechanical means, e.g. sand blasting, cutting, ultrasonic treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
FR772999D 1933-08-07 1933-08-07 Improvement in electrical resistances Expired FR772999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR772999T 1933-08-07

Publications (1)

Publication Number Publication Date
FR772999A true FR772999A (en) 1934-11-09

Family

ID=9196137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772999D Expired FR772999A (en) 1933-08-07 1933-08-07 Improvement in electrical resistances

Country Status (1)

Country Link
FR (1) FR772999A (en)

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