CA651764A - Electrostatic focussing devices - Google Patents

Electrostatic focussing devices

Info

Publication number
CA651764A
CA651764A CA651764A CA651764DA CA651764A CA 651764 A CA651764 A CA 651764A CA 651764 A CA651764 A CA 651764A CA 651764D A CA651764D A CA 651764DA CA 651764 A CA651764 A CA 651764A
Authority
CA
Canada
Prior art keywords
focussing devices
electrostatic focussing
electrostatic
devices
focussing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA651764A
Inventor
M. Stephenson Laurence
Hogg Harold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MO Valve Co Ltd
Original Assignee
MO Valve Co Ltd
Publication date
Application granted granted Critical
Publication of CA651764A publication Critical patent/CA651764A/en
Expired legal-status Critical Current

Links

CA651764A Electrostatic focussing devices Expired CA651764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA651764T

Publications (1)

Publication Number Publication Date
CA651764A true CA651764A (en) 1962-11-06

Family

ID=35940405

Family Applications (1)

Application Number Title Priority Date Filing Date
CA651764A Expired CA651764A (en) Electrostatic focussing devices

Country Status (1)

Country Link
CA (1) CA651764A (en)

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