G - Physics – 03 – B
Patent
G - Physics
03
B
240/76
G03B 15/03 (2006.01) G03B 15/04 (2006.01)
Patent
CA 1189043
- 11 - ABSTRACT A multilamp photoflash unit includes a housing member having a back portion with a plurality of flashlamp receiving cavities and a front portion which transmits light with the back and front portions of a polycarbonate material and sealed to one another to provide containment of particles within the housing member. A blue dye or pigment is preferably included in the polycarbonate material to enhance the light spectral characteristics. The photoflash unit is fabricated by thermoforming the polycarbonate material to provide a housing member with photolamp receiving cavities and a light trans- mitting front portion sealed to enclose the photolamps in the cavities.
397706
Broadt David R.
Kackenmeister Carl F.
Shaffer John W.
Gte Products Corporation
R. William Wray & Associates
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