Page 1
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 1 of 8 Replaces: 22-FEB-1994
Service Bulletin-12 | Vacuum Capacitors
Variable Vacuum Capacitors
An Introduction to their
Design, Rating and
Installations
Page 2
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 2 of 8 Replaces: 22-FEB-1994
The enclosed article has been published in the "Cathode Press" Magazine of The Machlett Laboratories, Inc.
Machlett had been a very important partner for Comet, being licensor of Comet AG for the manufacture of X-ray
tubes since the early fifties and being licensor of COMET TECHNIK for the manufacture of vacuum capacitors
since 1965. This close cooperation between COMET and Machlett came to a halt in 1989 when Machlett was
purchased by Eimac. Machlett stopped production of vacuum capacitors in 1969.
Although this article was published about 30 years ago, it is still correct in almost every aspect, except maybe
for some brand names which have been changed in the meantime. It gives a concise summary of the subject
and is interesting to read. The credit for this goes to Lars Giers who wrote the article back in 1966 as a development engineer responsible for variable vacuum capacitors at Machlett.
Lars has been our U.S. representative for vacuum capacitors and industrial X-ray tubes and is operating a successful reloading operation using Comet medical X-ray tubes.
Page 3
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 3 of 8 Replaces: 22-FEB-1994
Page 4
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 4 of 8 Replaces: 22-FEB-1994
Page 5
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 5 of 8 Replaces: 22-FEB-1994
Page 6
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 6 of 8 Replaces: 22-FEB-1994
Page 7
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 7 of 8 Replaces: 22-FEB-1994
Page 8
Comet AG Service Bulletin-12 | Vacuum Capacitors
Herrengasse 10 | CH-3137 Flamatt Variable Vacuum Capacitors – Introduction to their Design, Ration and Installations
T +41 31 744 95 00 | pct@comet.tech Issue date: 01-JUN-2011
pct.comet.tech Page 8 of 8 Replaces: 22-FEB-1994
Led by experience. Driven by curiosity.
Switzerland (Head Office)
Comet AG
Herrengasse 10
CH-3175 Flamatt
T +41 31 744 95 00
United States
Comet Technologies USA, Inc.
541 E. Trimble Road
San José, CA 95131
T +1 408 325 8770
China
Comet Mechanical Equipment (Shanghai) Co. Ltd.
2777 East Jinxiu Road
Building 36, 8th floor
Pudong, Shanghai 201206
T +86 21 6879 9000
Germany
Comet Yxlon GmbH
Plasma Control Technologies
Kellershaustrasse 22
DE-52078 Aachen
T +49 241 936 87 00
South Korea
Comet Technologies Korea Co., Ltd.
Suwon Venture Plaza Bldg, Room 402
48, Samsung-ro, 168 beon-gil, Yeongtong-gu
Suwon-si, Gyeonggi-do, ZIP 16676
T +82 (0)70 4337 6480
Malaysia
Comet Technologies Malaysia Sdn Bhd
PMT 761 Persiaran Cassie Selatan 3
Taman Perindustrian Batu Kawan
14110 Bandar Cassia
Penang
T +604 588 6516
Taiwan
Comet Solutions Taiwan Ltd.
1F., No. 120, Guangming Rd.
Qionglin Township
Hsinchu County 307001
T +886 3 592 2398
Web pct.comet.tech
E-mail pct@comet.tech
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