公开(公告)号：US3508441A

公开(公告)日：1970-04-28

申请号：US3508441D

申请日：1968-04-10

Applicant: PHILIPS CORP

Inventor： EVRARD ROBERT

IPC: G01L21/00 ,  G01L21/26

CPC classification number: G01L21/00

公开(公告)号：US3614512A

公开(公告)日：1971-10-19

申请号：US3614512D

申请日：1969-04-14

Applicant: PHILIPS CORP

Inventor： EVRARD ROBERT

IPC: H01J41/06 ,  H01J27/00

CPC classification number: H01J41/06

Abstract: Ion source for use in an ion pump or other apparatus, comprising a secondary-emissive cylinder accommodating a grid. A highfrequency voltage is applied between these two electrodes so that the transit time of the diametrically moving electrons is one whole period or a multiple thereof.

公开(公告)号：US3873829A

公开(公告)日：1975-03-25

申请号：US42043473

申请日：1973-11-30

Applicant: PHILIPS CORP

Inventor： EVRARD ROBERT ,  POULAIN DANIEL LOUIS

IPC: H01J29/38 ,  H01J40/06 ,  H01J31/50

CPC classification number: H01J40/06 ,  H01J29/38

Abstract: Device comprising a photoelectrically sensitive layer, in particular a photo cathode, which is supported by a transparent plane-parallel support through which the light is incident and on which means are provided which produce a repeated total reflection of the incident light without interference phenomena.

Abstract translation: 该装置包括光电敏感层，特别是光阴极，其由光入射的透明平面平行支撑支撑，并且在其上提供了产生入射光的反复全反射而没有干涉现象的装置。

公开(公告)号：US3532917A

公开(公告)日：1970-10-06

申请号：US3532917D

申请日：1968-04-02

Applicant: PHILIPS CORP

Inventor： EVRARD ROBERT

IPC: H01J27/16 ,  H01J41/18 ,  H01J41/20 ,  H05H ,  H01J43/00

CPC classification number: H01J41/20 ,  H01J27/16 ,  H01J41/18

公开(公告)号：US3532915A

公开(公告)日：1970-10-06

申请号：US3532915D

申请日：1968-04-02

Applicant: PHILIPS CORP

Inventor： EVRARD ROBERT

IPC: H01J27/16 ,  H01J41/18 ,  H01J41/20 ,  H05H ,  H01J43/00

CPC classification number: H01J41/18 ,  H01J27/16 ,  H01J41/20

公开(公告)号：US3472078A

公开(公告)日：1969-10-14

申请号：US3472078D

申请日：1968-04-04

Applicant: PHILIPS CORP

Inventor： EVRARD ROBERT

IPC: G01L21/00 ,  G01L9/16

CPC classification number: G01L21/00