NL87179C - - Google Patents
Info
- Publication number
- NL87179C NL87179C NL87179DA NL87179C NL 87179 C NL87179 C NL 87179C NL 87179D A NL87179D A NL 87179DA NL 87179 C NL87179 C NL 87179C
- Authority
- NL
- Netherlands
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, ion-optical arrangement
- H01J37/10—Lenses
- H01J37/14—Lenses magnetic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/938—Vapor deposition or gas diffusion
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE283225X | 1949-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL87179C true NL87179C (zh) |
Family
ID=6045092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL87179D NL87179C (zh) | 1949-12-30 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2574115A (zh) |
| CH (1) | CH283225A (zh) |
| NL (1) | NL87179C (zh) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH219290A (de) * | 1939-07-22 | 1942-01-31 | Fides Gmbh | Elektronenmikroskop. |
| US2356535A (en) * | 1940-08-31 | 1944-08-22 | Ruska Ernst | Electronic lens |
| US2454094A (en) * | 1944-01-21 | 1948-11-16 | Scophony Corp Of America | Electron discharge device for producing electric oscillations |
| US2510634A (en) * | 1945-11-03 | 1950-06-06 | Parker Pen Co | Magnetic desk set |
-
0
- NL NL87179D patent/NL87179C/xx active
-
1950
- 1950-08-10 US US178595A patent/US2574115A/en not_active Expired - Lifetime
- 1950-08-15 CH CH283225D patent/CH283225A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH283225A (de) | 1952-05-31 |
| US2574115A (en) | 1951-11-06 |