JPS6286049U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の電極構体の一実施例を示す図
であり、第１図ａは平面図、第１図ｂは第１図ａ
をＡ―Ａ線に沿つて切断して見た断面図、第２図
は第１図の電極構体と第３電極及びスペーサとの
関係を示す説明用要部断面図、第３図は理想的電
極構体を示す図であり、第３図ａは平面図、第３
図ｂは第３図ａをＢ―Ｂ線に沿つて切断して見た
断面図、第４図は第３図の電極構体と第３電極及
びスペーサとの関係を示す説明用要部断面図、第
５図は従来の一般的な電極構体と、第３電極及び
スペーサとの関係を示す説明用要部断面図である
。 １，３１……電極構体、３Ｒ，３Ｇ，３Ｂ，１
３Ｒ，１３Ｇ，１３Ｂ，３３Ｒ，３３Ｇ，３３Ｂ
……電子ビーム通過孔部、４Ｒ，４Ｇ，４Ｂ，３
４Ｒ，３４Ｇ，３４Ｂ……突起状円形ビード部、
１４Ｒ，１４Ｇ，１４Ｂ……突起部。 Fig. 1 is a diagram showing an embodiment of the electrode structure of the present invention, Fig. 1a is a plan view, Fig. 1b is a plan view of Fig. 1a
2 is an explanatory cross-sectional view of essential parts showing the relationship between the electrode structure in FIG. 1, the third electrode and the spacer, and FIG. 3 is an ideal cross-sectional view taken along line A-A. 3A is a plan view of the electrode structure; FIG.
Figure b is a cross-sectional view of Figure 3 a taken along line B-B, and Figure 4 is a cross-sectional view of essential parts for explanation showing the relationship between the electrode structure in Figure 3, the third electrode, and the spacer. , FIG. 5 is an explanatory sectional view of a main part showing the relationship between a conventional general electrode structure, a third electrode, and a spacer. 1, 31...electrode structure, 3R, 3G, 3B, 1
3R, 13G, 13B, 33R, 33G, 33B
...Electron beam passage hole, 4R, 4G, 4B, 3
4R, 34G, 34B...Protruding circular bead portion,
14R, 14G, 14B... Protrusions.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １枚の電極部材に中央及び両側の電子ビーム通
過孔部が穿設されると共に前記各電子ビーム通過
孔部の周囲に所定高さを有する突起状円形ビード
部が設けられてなる電極構体において、前記中央
の電子ビーム通過孔部の周囲の前記突起状円形ビ
ード部の高さが常に両側の電子ビーム通過孔部の
周囲の前記突起状円形ビード部の高さより低く形
成されていることを特徴とする電極構体。 An electrode structure in which a single electrode member is provided with central and opposite electron beam passage holes, and a protruding circular bead portion having a predetermined height is provided around each electron beam passage hole, The height of the protruding circular bead portions around the central electron beam passing hole portion is always lower than the height of the protruding circular bead portions surrounding the electron beam passing hole portions on both sides. electrode structure.