Electric lamp or space discharge component or device manufacturi – Process – Combined – e.g. – with shaping of lamp or device envelope
Reexamination Certificate
2005-08-02
2005-08-02
Santiago, Mariceli (Department: 2879)
Electric lamp or space discharge component or device manufacturi
Process
Combined, e.g., with shaping of lamp or device envelope
C445S026000, C445S029000
Reexamination Certificate
active
06923700
ABSTRACT:
To form side tubes with adequate resistance to pressure, and to provide a short-arc, ultra-high-pressure discharge lamp having such side tubes, and to provide a method of manufacturing such a lamp, a short-arc, ultra-high-pressure discharge lamp (1) has a luminescent tube (10) within which a pair of electrodes (2,2) face each other, and side tubes (11) that extend from opposite sides of the luminescent tube and in which a portion of the electrodes is sealed and in which a small space (B) is formed to enable the electrodes (2) to expand and contract freely without compression along their axes due to a difference in the indices of expansion of the materials that make up the electrodes (2) and the side tubes (11).
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Kanzaki Yoshitaka
Kumada Toyohiko
Miyahra Katsuhiko
Nixon & Peabody LLP
Safran David S.
Santiago Mariceli
Ushiodenki Kabushiki Kaisha
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