Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1998-03-11
2000-06-27
Lee, John R.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
2502081, 250214R, 257431, H01L 27146
Patent
active
060809795
ABSTRACT:
A transducer sensitive to electromagnetic radiation has a substrate with printed conductor runs arranged on both sides, a sensor that is sensitive to radiation glued over a large surface at the front side of the substrate, and of a thermal expansion-compensating "dummy" component connected to the back side of the substrate. The printed conductor runs have connections to one another only in the middle region of the substrate, and otherwise are free of intersections. The basic orientation of the conductor runs can be stellate or right-angled. The absence of conductor run intersections allows gas to escape during the gluing process, so that gas pockets do not form in the adhesive, which can degrade the quality of the adhesive connection.
REFERENCES:
patent: 4729165 (1988-03-01), Fahrenschon
patent: 4775895 (1988-10-01), Traupe et al.
patent: 4810881 (1989-03-01), Berger et al.
patent: 5298742 (1994-03-01), Friauf et al.
Sklebitz Hartmut
Weidner Tom
Lee John R.
Siemens Aktiengesellschaft
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