KR0129960Y1 - 투과전자현미경의 조사계 - Google Patents
투과전자현미경의 조사계 Download PDFInfo
- Publication number
- KR0129960Y1 KR0129960Y1 KR2019940037754U KR19940037754U KR0129960Y1 KR 0129960 Y1 KR0129960 Y1 KR 0129960Y1 KR 2019940037754 U KR2019940037754 U KR 2019940037754U KR 19940037754 U KR19940037754 U KR 19940037754U KR 0129960 Y1 KR0129960 Y1 KR 0129960Y1
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- electron beam
- focusing
- irradiation
- focusing lens
- Prior art date
Links
- 238000005286 illumination Methods 0.000 title 1
- 230000005641 tunneling Effects 0.000 title 1
- 238000010894 electron beam technology Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 3
- 238000004719 convergent beam electron diffraction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- H01J37/21—Means for adjusting the focus
-
- 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
- H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/21—Focus adjustment
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
Description
Claims (1)
- 2차 집속렌즈(2)의 하부 대물렌즈(5)의 직상에 보조집속렌즈(11)를 설치하여, 2차 집속렌즈(2)와 보조집속렌즈(11)의 연동적인 촛점거리의 조정으로 평행광의 조사시에는 전자선(1)의 조사면적을 변화시키면서도 평행광의 조사를 유지하고, 전자선(1)의 집속조사시에는 전자선(1)의 집속각을 연속적으로 조정할 수 있도록 한 구성을 특징으로 하는 투과전자현미경의 조사계.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940037754U KR0129960Y1 (ko) | 1994-12-29 | 1994-12-29 | 투과전자현미경의 조사계 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019940037754U KR0129960Y1 (ko) | 1994-12-29 | 1994-12-29 | 투과전자현미경의 조사계 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960024321U KR960024321U (ko) | 1996-07-22 |
KR0129960Y1 true KR0129960Y1 (ko) | 1998-12-01 |
Family
ID=19404148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019940037754U KR0129960Y1 (ko) | 1994-12-29 | 1994-12-29 | 투과전자현미경의 조사계 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0129960Y1 (ko) |
-
1994
- 1994-12-29 KR KR2019940037754U patent/KR0129960Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960024321U (ko) | 1996-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19941229 |
|
UA0201 | Request for examination |
Patent event date: 19941229 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19980124 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19980715 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19980826 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19980826 |
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UG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20010721 Year of fee payment: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 20010721 Start annual number: 4 End annual number: 4 |
|
LAPS | Lapse due to unpaid annual fee |