Metal working – Barrier layer or semiconductor device making – Barrier layer device making
Patent
1980-09-15
1982-07-13
McQuade, John
Metal working
Barrier layer or semiconductor device making
Barrier layer device making
H01J 930
Patent
active
043387080
ABSTRACT:
An improved sealing means is provided for a sealed prefocused light source mount for a parabolic aluminized reflector (PAR) lamp and, in particular, to improved leak-proof sealing means for an all-plastic PAR lamp or a PAR lamp comprising a plastic reflector. The improved mount construction utilizes a plastic block having mating parts which define a cavity from which lead wires extend and which is filled with an elastomeric polymer providing both a leak-proof seal around the lead wires as well as a more reliable barrier to moisture leakage through the mount assembly.
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Bradley Irving
Hanson James M.
General Electric Company
Jacob Fred
McDevitt John F.
McQuade John
Schlamp Philip L.
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