NL7301491A - - Google Patents

Info

Publication number
NL7301491A
NL7301491A NL7301491A NL7301491A NL7301491A NL 7301491 A NL7301491 A NL 7301491A NL 7301491 A NL7301491 A NL 7301491A NL 7301491 A NL7301491 A NL 7301491A NL 7301491 A NL7301491 A NL 7301491A
Authority
NL
Netherlands
Application number
NL7301491A
Other versions
NL175676B (nl
NL175676C (nl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL7301491A publication Critical patent/NL7301491A/xx
Publication of NL175676B publication Critical patent/NL175676B/xx
Application granted granted Critical
Publication of NL175676C publication Critical patent/NL175676C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/021Electron guns using a field emission, photo emission, or secondary emission electron source
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/04Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06Electron sources; Electron guns
    • H01J37/073Electron guns using field emission, photo emission, or secondary emission electron sources
NL7301491A 1972-02-14 1973-02-01 Veldemissiemicroscoop. NL175676C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22597072A 1972-02-14 1972-02-14

Publications (3)

Publication Number Publication Date
NL7301491A true NL7301491A (de) 1973-08-16
NL175676B NL175676B (nl) 1984-07-02
NL175676C NL175676C (nl) 1984-12-03

Family

ID=22847020

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7301491A NL175676C (nl) 1972-02-14 1973-02-01 Veldemissiemicroscoop.

Country Status (10)

Country Link
JP (1) JPS576225B2 (de)
AU (1) AU470515B2 (de)
CA (1) CA976594A (de)
DD (1) DD103095A5 (de)
DE (1) DE2304906C2 (de)
FR (1) FR2172251B1 (de)
GB (1) GB1410262A (de)
IT (1) IT977180B (de)
NL (1) NL175676C (de)
SE (1) SE380673B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425792B2 (de) * 1973-04-16 1979-08-30
JPS5023571A (de) * 1973-06-29 1975-03-13
JPS60192947A (ja) * 1984-03-13 1985-10-01 Mitsubishi Electric Corp 半導体装置製造用フオトマスク材料
US6683414B2 (en) * 2001-10-25 2004-01-27 Northrop Grumman Corporation Ion-shielded focusing method for high-density electron beams generated by planar cold cathode electron emitters

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678333A (en) * 1970-06-15 1972-07-18 American Optical Corp Field emission electron gun utilizing means for protecting the field emission tip from high voltage discharges

Also Published As

Publication number Publication date
GB1410262A (en) 1975-10-15
AU5167373A (en) 1974-08-01
JPS576225B2 (de) 1982-02-03
IT977180B (it) 1974-09-10
CA976594A (en) 1975-10-21
FR2172251B1 (de) 1978-05-26
AU470515B2 (en) 1976-03-18
NL175676B (nl) 1984-07-02
JPS4948273A (de) 1974-05-10
NL175676C (nl) 1984-12-03
FR2172251A1 (de) 1973-09-28
DD103095A5 (de) 1974-01-05
DE2304906C2 (de) 1985-10-24
DE2304906A1 (de) 1973-08-23
SE380673B (sv) 1975-11-10

Similar Documents

Publication Publication Date Title
FR2173325B1 (de)
JPS538472B2 (de)
JPS576225B2 (de)
JPS5314673B2 (de)
JPS5528070B2 (de)
JPS4921298U (de)
JPS4924809A (de)
JPS4954353U (de)
JPS5152980Y2 (de)
JPS49101084U (de)
JPS48103629U (de)
CH573140B5 (de)
CH567404A5 (de)
BG26950A3 (de)
CH561033A5 (de)
BG20296A3 (de)
BG20209A1 (de)
CH224672A4 (de)
BG18724A1 (de)
CH566595A5 (de)
CH567625A5 (de)
CH572095A5 (de)
CH571826A5 (de)
CH569967A5 (de)
CH569803A5 (de)

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying openfor public ins pection)

Free format text: WARNER LAMBERT TECHNOLOGIES, INC.

CNR Transfer of rights (patent application after its laying openfor public ins pection)

Free format text: NANOMETRICS, INC.

V4 Lapsed because of reaching the maxim lifetime of a patent