|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||250/352 ; 62/511 ; 250/37015|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 29 인용 특허 : 4|
A device chamber (12) is evacuated by pumping via an evacuation tube (35) to produce a vacuum space in communication with a chemically-active getter (30) which is provided in the tube (35) to getter gases from the evacuated chamber (12). In accordance with the invention, the getter (30) in the form of one or more movable bodies of the getter material is activated by heating in the evacuation tube (35) at a safe location (36) distant from the chamber (12). It is then moved towards the chamber (12) and is retained in the sealed evacuation-tube outlet (31) ...
A method of producing a vacuum device having a vacuum space in a chamber of the device, comprising the steps of (a) providing a porous getter in an evacuation tube which forms an outlet of the chamber, (b) evacuating the chamber to produce the vacuum space by means of a vacuum pump connected to the evacuation tube, (c) heating the getter in the evacuation tube so as to activate chemically the getter material and (d) disconnecting the vacuum pump and sealing the evacuation-tube outlet of the chamber while leaving the chemically-active getter in communicat...