Metal foil resistor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 27, 1981
Issued Date -
N/A
app pub date -
May 24, 1979
filing date -
Jun 3, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thin film foil resistor is disclosed wherein a thin metallic foil is bonded to an insulating substrate and a circuit path is formed on the foil by photographic artwork-etching techniques. After the circuit is formed, the structure is subjected to another etching process to reduce the thickness of the foil circuit thereby adjusting the value of the resistor. Terminal lands of the circuit are electroplated and the connecting leads are soldered to the lands. The value of the resistor is finally adjusted by use of a laser beam, and the resistor is encapuslated.
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International Classification(s)
Cited Art Landscape
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