公开(公告)号：US11894223B2

公开(公告)日：2024-02-06

申请号：US18026368

申请日：2021-09-03

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Tsuyoshi Kodama ,  Masaki Yamada ,  Shinichi Hara ,  Naoki Umebayashi

IPC: H01J47/02 ,  H01J40/04 ,  H01J40/06 ,  H01J40/16

CPC classification number: H01J47/02 ,  H01J40/04 ,  H01J40/06 ,  H01J40/16

Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion held by a recess provided in the housing, the electron emitting portion including a concave photoelectric surface facing a light transmitting portion side inside the housing, and an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing. At least a part of the electron capturing portion is located inside a region on an inside of the photoelectric surface.

公开(公告)号：US11961725B2

公开(公告)日：2024-04-16

申请号：US18026364

申请日：2021-09-03

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Tsuyoshi Kodama ,  Masaki Yamada

IPC: H01J40/06 ,  H01J40/10 ,  H01J40/16

CPC classification number: H01J40/06 ,  H01J40/10 ,  H01J40/16

Abstract: A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion including a photoelectric surface disposed inside the housing, an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing, and a conductive layer disposed on a light transmitting portion side of at least a part of the electron capturing portion to face the photoelectric surface inside the housing and configured to allow light to pass therethrough.