公开(公告)号：US3646350A

公开(公告)日：1972-02-29

申请号：US3646350D

申请日：1968-11-04

Applicant: MATSUSHITA ELECTRIC IND CO LTD

Inventor： MAEDA HARUO ,  NISHIDA JUN

IPC: H01J40/00 ,  H01J39/12

CPC classification number: H01J40/00

Abstract: A light detector based on the fact that the field emission from a photoconductive material varies depending on a variation in the intensity of the light to which said photoconductive material is exposed, said detector comprising basically a field emission cathode of a photoconductive semiconductor in the form of a pointed whisker, and an electron collector for collecting the electrons emitted from said cathode, an appropriate accelerating voltage being applied between said cathode and said collector.

Abstract translation: 基于光导电材料的场发射根据所述光电导材料暴露的光的强度的变化而变化的事实的光检测器，所述检测器基本上包括光导半导体的场致发射阴极，其形式为 尖锐的晶须和用于收集从所述阴极发射的电子的电子收集器，在所述阴极和所述集电器之间施加适当的加速电压。

公开(公告)号：US3678325A

公开(公告)日：1972-07-18

申请号：US3678325D

申请日：1970-03-10

Applicant: MATSUSHITA ELECTRIC IND CO LTD

Inventor： NISHIDA JUN ,  OHHARA TAKAHUMI

IPC: H01J1/304 ,  H01J9/02 ,  H01J1/14 ,  H01J19/06 ,  H01K1/04

CPC classification number: H01J9/025 ,  H01J1/304

Abstract: High-field emission cathodes fabricated by implanting metal ions of low work function into a pointed tip portion of a formed cathode which is stable at high temperatures and chemically inert to gas molecules including oxygen. The cathodes provide for operation stability for a prolonged period of time with a low applied voltage.

Abstract translation: 通过将低功函数的金属离子注入形成的阴极的尖端部分中制造的高场发射阴极，其在高温下是稳定的，对包括氧的气体分子具有化学惰性。 阴极在较短的施加电压下提供长时间的操作稳定性。

公开(公告)号：US3629646A

公开(公告)日：1971-12-21

申请号：US3629646D

申请日：1969-10-28

Applicant: MATSUSHITA ELECTRIC IND CO LTD

Inventor： NAKANO TOMOYASU ,  MATSUDA IKUO ,  NISHIDA JUN

IPC: H01J29/48 ,  H01J29/52 ,  H01J29/62 ,  H01J29/82 ,  H01J29/56

CPC classification number: H01J29/82 ,  H01J29/485 ,  H01J29/52 ,  H01J29/624

Abstract: A grid structure or ''''electron optical system'''' formed integrally and used in a small-sized electron gun for focusing an electron beam generated in a cathode-ray tube, which grid structure comprises at least two disc-shaped apertured electrodes positioned closely adjacent to the cathode in parallel to each other and made of conductive or semiconductive materials such as metal or P-type and N-type semiconductive materials, respectively, and a disc-shaped barrier layer interposed fixedly between the two electrodes for electrically isolating the same from each other, whereby the electron beam passing through the aligned apertures is focused by the action of the potential difference established between the two electrodes.