UST927524I4 - - Google Patents
Info
- Publication number
- UST927524I4 UST927524I4 US927524DH UST927524I4 US T927524 I4 UST927524 I4 US T927524I4 US 927524D H US927524D H US 927524DH US T927524 I4 UST927524 I4 US T927524I4
- Authority
- US
- United States
- 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.)
- Pending
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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Beam Exposure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL314137X | 1952-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
UST927524I4 true UST927524I4 (de) |
Family
ID=19783746
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US927524D Pending UST927524I4 (de) | 1952-09-09 | ||
US378990A Expired - Lifetime US2910589A (en) | 1952-09-09 | 1953-09-08 | Pole shoe for magnetic electron lens |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US378990A Expired - Lifetime US2910589A (en) | 1952-09-09 | 1953-09-08 | Pole shoe for magnetic electron lens |
Country Status (7)
Country | Link |
---|---|
US (2) | US2910589A (de) |
BE (1) | BE522628A (de) |
CH (1) | CH314137A (de) |
DE (1) | DE927524C (de) |
FR (1) | FR1106673A (de) |
GB (1) | GB744647A (de) |
NL (1) | NL85195C (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3019876A (en) * | 1960-01-06 | 1962-02-06 | Rabinow Engineering Co Inc | Fast response magnetic friction clutch |
US3396299A (en) * | 1964-06-15 | 1968-08-06 | Jeol Ltd | Magnetic flux leakage guide for magnetic electron lenses |
US4469948A (en) * | 1982-01-26 | 1984-09-04 | The Perkin-Elmer Corp. | Composite concentric-gap magnetic lens |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1132016A (en) * | 1912-01-24 | 1915-03-16 | John g burns | Means for forming zones of varying and variable strengths in magnetic fields. |
US1121859A (en) * | 1912-11-08 | 1914-12-22 | Electric Weighing Company | Composite magnetizable material. |
US2053162A (en) * | 1936-02-18 | 1936-09-01 | Gen Electric | Core for dynamo-electric machines |
US2370627A (en) * | 1940-10-16 | 1945-03-06 | Rca Corp | Magnetic lens |
US2418432A (en) * | 1944-05-01 | 1947-04-01 | Rca Corp | Magnetic electron lens system |
US2719240A (en) * | 1946-03-14 | 1955-09-27 | Laurence R Walker | Cathode structure |
-
0
- NL NL85195D patent/NL85195C/xx active
- BE BE522628D patent/BE522628A/xx unknown
- US US927524D patent/UST927524I4/en active Pending
-
1953
- 1953-09-04 GB GB24508/53A patent/GB744647A/en not_active Expired
- 1953-09-06 DE DEN7703A patent/DE927524C/de not_active Expired
- 1953-09-07 FR FR1106673D patent/FR1106673A/fr not_active Expired
- 1953-09-07 CH CH314137D patent/CH314137A/de unknown
- 1953-09-08 US US378990A patent/US2910589A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE522628A (de) | |
NL85195C (de) | |
CH314137A (de) | 1956-05-31 |
DE927524C (de) | 1955-05-12 |
US2910589A (en) | 1959-10-27 |
GB744647A (en) | 1956-02-08 |
FR1106673A (fr) | 1955-12-21 |