DE2213524B2 - WINDOW TUBE - Google Patents
WINDOW TUBEInfo
- Publication number
- DE2213524B2 DE2213524B2 DE19722213524 DE2213524A DE2213524B2 DE 2213524 B2 DE2213524 B2 DE 2213524B2 DE 19722213524 DE19722213524 DE 19722213524 DE 2213524 A DE2213524 A DE 2213524A DE 2213524 B2 DE2213524 B2 DE 2213524B2
- Authority
- DE
- Germany
- Prior art keywords
- window tube
- window
- tube
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N15/13—Details pertaining to apertures
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12833271A | 1971-03-26 | 1971-03-26 | |
US12833271 | 1971-03-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2213524A1 DE2213524A1 (en) | 1972-10-05 |
DE2213524B2 true DE2213524B2 (en) | 1976-07-15 |
DE2213524C3 DE2213524C3 (en) | 1977-03-17 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
ZA721897B (en) | 1973-11-28 |
FR2130473B1 (en) | 1973-06-29 |
US3714565A (en) | 1973-01-30 |
GB1323271A (en) | 1973-07-11 |
DE2213524A1 (en) | 1972-10-05 |
CH584897A5 (en) | 1977-02-15 |
SE380349B (en) | 1975-11-03 |
CA943190A (en) | 1974-03-05 |
IL39027A0 (en) | 1972-05-30 |
JPS5331389B1 (en) | 1978-09-02 |
FR2130473A1 (en) | 1972-11-03 |
IL39027A (en) | 1974-06-30 |
IT952314B (en) | 1973-07-20 |
AU4018372A (en) | 1973-09-27 |
AU454030B2 (en) | 1974-09-25 |
NL7203716A (en) | 1972-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
8328 | Change in the person/name/address of the agent |
Free format text: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |