公开(公告)号：US3906515A

公开(公告)日：1975-09-16

申请号：US26435672

申请日：1972-06-19

Applicant: MATSUSHITA ELECTRONICS CORP

Inventor： HOSOKOSHI KAKUICHIRO ,  YOSHIDA OSAMU

IPC: H01J9/227 ,  G03B41/00

CPC classification number: H01J9/2272

Abstract: This invention concerns an improvement in manufacturing of color picture tubes wherein photosensitive slurry is applied on the inner surface of a face panel of the tube and dried to form a dried slurry, then a shadow mask is secured to the face panel with a specified gap in between, and ultraviolet rays impinge on the dried slurry layer through a path-refracting lens and apertures of said shadow mask so as to form dots on the inner surface. The improvement lies in provision of a light attenuator to control exposure distribution of the ultraviolet rays closely beneath the shadow mask. With this arrangement, sizes of the dots in the edge part of a screen can be made almost equal irrespective of changes of position of the ultraviolet ray source. Consequently, the dots for the three colors in the edge portion of the screen can be made substantially equal in size, and good color balance throughout the picture screen is obtainable.

Abstract translation: 本发明涉及彩色显像管制造方面的改进，其中将感光浆料施加在管的面板的内表面上并干燥以形成干燥的浆料，然后将荫罩以特定的间隙固定在面板上 紫外线通过路径折射透镜和所述荫罩的孔径撞击在干燥的浆料层上，从而在内表面上形成点。

公开(公告)号：US3547675A

公开(公告)日：1970-12-15

申请号：US3547675D

申请日：1967-07-03

Applicant: MATSUSHITA ELECTRONICS CORP

Inventor： HOSOKOSHI KAKUICHIRO

IPC: C09K11/02 ,  H01J29/18 ,  H01J31/20

CPC classification number: H01J29/187 ,  C09K11/025 ,  Y10T428/24901