Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Reexamination Certificate
2007-05-15
2007-05-15
Porta, David (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
C600S474000, C600S549000
Reexamination Certificate
active
10525248
ABSTRACT:
When the distal end of a radiation detection probe (2) is directed toward a place to be measured, pointer light emitted by a light-emitting device (7) sequentially passes through a transmission window (5C) of a radiation detection element (5) and a projection window (3E) of a probe cover (3) to be emitted onto the place to be measured. This pointer light clearly indicates the place as a bright spot. The radiation from the place passes through the distal end of the probe cover (3) to be collimated by a radiation-introducing window (4A) of a side shield (4), and then enters the radiation detection element (5). The dose of the radiation is detected in this way.
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Hirai Tadaaki
Kinpara Masanori
Matsui Shinjiro
Nakada Michiatsu
Shirayanagi Yuji
Boosalis Faye
Drinker Biddle & Reath LLP
Hamamatsu Photonics K.K.
Porta David
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