| 摘要 |
AN EVAPORABLE GETTER DEVICE (10), PARTICULARLY SUITABLE FOR CATHODE-RAY TUBES OF LOW THICKNESS, COMPRISING AN UPPERLY OPEN HOLDER (11) CONTAINING AT LEAST ONE COMPOUND OF BARIUM OR CALCIUM, FIXED TO A SPRING (14) FOR ITS CONNECTION TO THE ELECTRON GUN OF THE CRT, SAID SPRING BEING IN TUM FIXED TO A SPACER (15) FORMED OF A CENTRAL PORTION (16) AND TWO ARMS (17, 17'); IN A PLAN VIEW OF THE DEVICE THE FREE ENDS (19, 19') OF THE SPACER ARE NOT INCLUDED IN THE AREA OF THE HOLDER, IN A SIDE VIEW OF THE DEVICE EACH ARM OF THE SPACER HAS A SHAPE WITH AN ELBOW (18, 18') AND THE TOTAL THICKNESS OF THE ASSEMBLY FORMED OF HOLDER, SPACER AND SPRING DOES NOT EXCEED ABOUT 6 MM. THE MOST ILLUSTRATIVE DRAWING IS
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