公开(公告)号：WO1993025842A1

公开(公告)日：1993-12-23

申请号：PCT/IT1992000141

申请日：1992-11-09

Applicant: SAES GETTERS S.P.A.

Inventor： SAES GETTERS S.P.A. ,  BOFFITO, Claudio ,  SCHIABEL, Antonio ,  GALLITOGNOTTA, Alessandro

IPC: F17C03/08

CPC classification number: F16L59/06 ,  F17C3/08 ,  F17C2201/0119 ,  F17C2201/054 ,  F17C2203/0395 ,  F17C2203/0629 ,  F17C2221/011 ,  F17C2221/012 ,  F17C2221/014 ,  F17C2221/016 ,  F17C2221/017 ,  F17C2223/0161 ,  F17C2223/033 ,  F17C2227/0386 ,  F17C2260/036 ,  F17C2270/0509 ,  Y02E60/321

Abstract: Process for evacuating the thermally insulating jacket (5) of a dewar (1) having an inner wall (2) and an outer wall (4), with the inner space between said walls completely partially filled with an insulating material (9), containing also a moisture sorbing material (10) and a getter material (11), in which said moisture sorbing material is a chemical drying agent, and said getter material is a Ba-Li alloy.

Abstract translation: 用于抽出具有内壁（2）和外壁（4）的杜瓦瓶（1）的绝热护套（5）的方法，其中所述壁之间的内部空间完全部分地填充有绝缘材料（9），其包含 还有一种吸湿材料（10）和吸气材料（11），其中所述吸湿材料是化学干燥剂，所述吸气材料是Ba-Li合金。

公开(公告)号：WO1991006113A1

公开(公告)日：1991-05-02

申请号：PCT/IT1990000085

申请日：1990-10-19

Applicant: SAES GETTERS S.P.A.

Inventor： SAES GETTERS S.P.A. ,  DELLA PORTA, Paolo

IPC: H01J07/18

CPC classification number: H01J7/186 ,  H01J29/94

Abstract: An evaporable getter device to be mounted in an electron tube comprises a holder (102) the bottom wall (110) of which is provided with means (112) for preventing detachment therefrom of the getter metal vapour releasing material (104) which is pressed within the holder and is formed on its upper surface (116) with a plurality of heat transfer retarding means (118) in a circumferential direction through the getter metal vapour releasing material. When the getter device is heated by currents induced from an RF field created by a coil positioned outside the electron tube, high quantities of getter metal are released in a short time without a detachment of residual thereof from the holder. Preferably said heat transfer retarding means comprises four equally spaced radial grooves formed in the upper surface of the getter metal vapour releasing material.

公开(公告)号：WO1989010627A1

公开(公告)日：1989-11-02

申请号：PCT/IT1989000029

申请日：1989-04-20

Applicant: SAES GETTERS S.P.A.

Inventor： SAES GETTERS S.P.A. ,  DELLA PORTA, Paolo ,  MARTELLI, Daniele ,  URSO, Giuseppe ,  TRIVELLATO, Stefano

IPC: H01J29/94

CPC classification number: H01J7/186 ,  H01J29/94

Abstract: An evaporable getter device for mounting in an electron tube is provided which comprises a pan-shaped container (102) having a vertical side wall formed around the perimeter of a disc shaped bottom wall (108) and a pulverized getter metal vapour releasing material (110) pressed into the spaced formed by said side wall and said bottom wall. There is also provided a first heat transfer retarding means (114) which delays the transfer of heat in a circumferential direction through the getter metal vapour releasing material. There is also provided a second heat transfer retarding means (122) which delays the transfer of heat in a radial direction through the getter metal vapour releasing material. When the getter device is heated by currents induced from a radio frequency field created by a coil positioned outside the tube, opposite the getter device, high yields of getter metal are released in a short time without detachment of the getter material residues from the container.