Electrical resistors – Resistance value responsive to a condition – Current and/or voltage
Patent
1994-12-27
1996-08-27
Hoang, Tu
Electrical resistors
Resistance value responsive to a condition
Current and/or voltage
361103, 338 25, 257467, H01C 710
Patent
active
055505260
ABSTRACT:
The present invention provides thermal detection elements having a controlled relationship between a thermal radiating and thermal sensing element. The thermal detection element includes an insulating substrate having a plurality of conductive interconnection elements formed on the substrate to permit electrical connection of the substrate with other electrical components. A thermal radiating element is at least partially embedded within the substrate and mounted such it electrically communicates with at least one of the conductive interconnection elements. A thermal sensing element is mounted adjacent the thermal radiating element such that a substantial portion of the thermal energy radiated by the thermal radiating element is channeled to the thermal sensing element. The thermal sensing element is also mounted such that it electrically communicates with at least one of the conductive interconnection elements.
REFERENCES:
patent: 4866559 (1989-12-01), Cobb, III et al.
patent: 5057811 (1991-10-01), Strott et al.
patent: 5140394 (1992-08-01), Cobb, III et al.
Printed Circuits Handbook, author: C. F. Coombs, Jr., McGraw-Book Co., Chapter 4, "Engineering Packaging Interconnection System", pp. 4.3-4.28.
Birnbaum Lester H.
Easthom Karl
Hoang Tu
Lucent Technologies - Inc.
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