Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Reexamination Certificate
2008-05-06
2008-05-06
Rose, Kiesha L. (Department: 2822)
Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
C257S079000, C313S634000
Reexamination Certificate
active
10647287
ABSTRACT:
Provided is an envelope which includes: a first substrate; a second substrate opposed to the first substrate; a frame interposed between the first substrate and the second substrate; and a low melting point metal for bonding the first substrate and the frame to each other. In particular, in such a configuration, the substrate or the frame has a first region and a second region which are brought into contact with the low melting point metal, and in the first region, a material capable of higher maintaining airtightness with the low melting point metal than the second region is in contact with the low melting point metal, while in the second region, a material having a stronger binding power on the low melting point metal than the first region is in contact with the low melting point metal.
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Hasegawa Mitsutoshi
Miura Tokutaka
Tokioka Masaki
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Rose Kiesha L.
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