JPS57151160A - Electron lens - Google Patents

Electron lens

Info

Publication number
JPS57151160A
JPS57151160A JP56036635A JP3663581A JPS57151160A JP S57151160 A JPS57151160 A JP S57151160A JP 56036635 A JP56036635 A JP 56036635A JP 3663581 A JP3663581 A JP 3663581A JP S57151160 A JPS57151160 A JP S57151160A
Authority
JP
Japan
Prior art keywords
excitation
coils
excitation currents
contacts
fed
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.)
Granted
Application number
JP56036635A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6338825B2 (enrdf_load_stackoverflow
Inventor
Akira Yonezawa
Tetsuo Iwaki
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.)
INTERNATL PRECISION Inc
Original Assignee
INTERNATL PRECISION Inc
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 by INTERNATL PRECISION Inc filed Critical INTERNATL PRECISION Inc
Priority to JP56036635A priority Critical patent/JPS57151160A/ja
Publication of JPS57151160A publication Critical patent/JPS57151160A/ja
Publication of JPS6338825B2 publication Critical patent/JPS6338825B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/10—Lenses
    • H01J37/14—Lenses magnetic
    • H01J37/141—Electromagnetic lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
JP56036635A 1981-03-16 1981-03-16 Electron lens Granted JPS57151160A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56036635A JPS57151160A (en) 1981-03-16 1981-03-16 Electron lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56036635A JPS57151160A (en) 1981-03-16 1981-03-16 Electron lens

Publications (2)

Publication Number Publication Date
JPS57151160A true JPS57151160A (en) 1982-09-18
JPS6338825B2 JPS6338825B2 (enrdf_load_stackoverflow) 1988-08-02

Family

ID=12475292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56036635A Granted JPS57151160A (en) 1981-03-16 1981-03-16 Electron lens

Country Status (1)

Country Link
JP (1) JPS57151160A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981850A (ja) * 1982-11-02 1984-05-11 Internatl Precision Inc 電子レンズ
JPH06254258A (ja) * 1993-03-05 1994-09-13 Tomy Ltd ゲーム装置
WO2013015311A1 (ja) * 2011-07-26 2013-01-31 株式会社日立ハイテクノロジーズ 電磁レンズおよび荷電粒子装置
WO2018189850A1 (ja) * 2017-04-13 2018-10-18 株式会社 日立ハイテクノロジーズ 電子顕微鏡

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847265A (enrdf_load_stackoverflow) * 1971-10-15 1973-07-05
JPS5014439U (enrdf_load_stackoverflow) * 1973-06-04 1975-02-15

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4847265A (enrdf_load_stackoverflow) * 1971-10-15 1973-07-05
JPS5014439U (enrdf_load_stackoverflow) * 1973-06-04 1975-02-15

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981850A (ja) * 1982-11-02 1984-05-11 Internatl Precision Inc 電子レンズ
JPH06254258A (ja) * 1993-03-05 1994-09-13 Tomy Ltd ゲーム装置
WO2013015311A1 (ja) * 2011-07-26 2013-01-31 株式会社日立ハイテクノロジーズ 電磁レンズおよび荷電粒子装置
JP2013030276A (ja) * 2011-07-26 2013-02-07 Hitachi High-Technologies Corp 電磁レンズおよび荷電粒子装置
WO2018189850A1 (ja) * 2017-04-13 2018-10-18 株式会社 日立ハイテクノロジーズ 電子顕微鏡

Also Published As

Publication number Publication date
JPS6338825B2 (enrdf_load_stackoverflow) 1988-08-02

Similar Documents

Publication Publication Date Title
JPS5419324A (en) Current control circuit
JPS5552117A (en) Dc stabilized power supply unit
CA2047771A1 (en) Semiconductor control apparatus
JPS57151160A (en) Electron lens
EP0164752A3 (en) Power switching circuit for a pulsed laser
JPS55130208A (en) Adjusting method for op amplifier
US2079206A (en) Voltage regulating equipment
JPS54140154A (en) Stabilized dc power source equipment
JPS535722A (en) Aut omatic voltage regulator of tap switching type
SU955357A1 (ru) Устройство дл автоматического регулировани напр жени в электрических сет х
JPS54721A (en) Constant output controller for motor
JPS56132172A (en) Rectification circuit
JPS5296442A (en) Induction heating system
JPS57111703A (en) Adaptive control device for process
JPS55154616A (en) Excitation control circuit of series transformer in automatic voltage regulator
SU94011A1 (ru) Электропривод электродов дуговой печи
JPS57207314A (en) On-load tap changing transformer
JPS5411420A (en) Ferro-resonance transformer
JPS547335A (en) Transfer paper separating method
JPS57122524A (en) Blanking circuit for electron beam projector
JPS5254939A (en) Switching regulator
JPS5742029A (en) Attraction type electromagnetic control shutter
JPS5698588A (en) Controlling device of diaphragm pump
JPS5667913A (en) Autotransformer system
JPS6427384A (en) Focus switching adjusting circuit