Electrical resistors – Resistance value responsive to a condition – Gas – vapor – or moisture absorbing or collecting
Patent
1985-11-22
1987-06-30
Goldberg, E. A.
Electrical resistors
Resistance value responsive to a condition
Gas, vapor, or moisture absorbing or collecting
733365, 136203, H01L 700
Patent
active
046774165
ABSTRACT:
An integrated circuit cooling device and a dew point hygrometer employing such a cooling device having a substrate with a peripheral region surrounding a central aperture, the substrate being overlaid by an insulating layer with a Peltier cooling device formed thereon. The Peltier device includes a plurality of alternate metallic segments of dissimilar metals arranged and joined to form first and second groups of corresponding junctions of which the first group is located over the peripheral region of the substrate and the second group is located over the central aperture.
REFERENCES:
patent: 2975638 (1961-03-01), Morrison
patent: 4203087 (1980-05-01), Kovac et al.
patent: 4307373 (1981-12-01), Johnston
patent: 4370615 (1983-01-01), Whistler et al.
patent: 4435091 (1984-03-01), Nedreski
Ohta, et al., "Balanced Adsorption Hygrometer," Proceedings of the 3rd Sensor Symposium, (1983), pp. 225-228.
P. P. L. Regtien, "Solid-State Humidity Sensors," Sensors and Actuators, 2 (1981/1982) pp. 85-95.
Kamiunten Shoji
Kuroiwa Takaaki
Nishimoto Ikuo
Goldberg E. A.
Leteef M. M.
Rubow Charles L.
Yamatake-Honeywell
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