THICK FILM RESISTOR PASTE, THICK FILM RESISTOR, AND ELECTRONIC COMPONENT
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United States of America Patent
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Issued Date -
Jun 1, 2023
app pub date -
Apr 30, 2021
filing date -
May 1, 2020
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Abstract
The thick film resistor paste for a resistor has no abnormalities of cracks in appearance and sufficient surge resistance, especially for low resistance, while using lead borosilicate glass. The thick film resistor paste comprises a silver powder or a palladium powder, or a mixture of both of the silver powder and the palladium powder, a ruthenium-oxide-containing glass powder and an organic vehicle, the ruthenium-oxide-containing glass powder comprises 10 to 60 mass % of ruthenium oxide, a glass composition of the ruthenium-oxide-containing glass powder comprises 3 to 60 mass % of silicon oxide, 30 to 90 mass % of lead oxide, 5 to 50 mass % of boron oxide relative to 100 mass % of glass components, and, a combined amount of silicon oxide, lead oxide and boron oxide by mass % is 50 mass % or more relative to 100 mass % of the glass components.
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