NL254372A - - Google Patents

Info

Publication number: NL254372A
Authority: NL; Netherlands

Application number

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.)

1930-07-02

Publication of NL254372A publication Critical patent/NL254372A/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/04—Cathodes
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/06—Electron or ion guns
- H01J23/065—Electron or ion guns producing a solid cylindrical beam
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/029—Schematic arrangements for beam forming

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Heat Treatment Of Articles (AREA)
Electron Sources, Ion Sources (AREA)

NL254372D 1930-07-02 NL254372A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2010530A GB353222A (en)	1930-07-02	1930-07-02	Improved manufacture of spring blades or leaves for laminated springs

Publications (1)

Publication Number	Publication Date
NL254372A true NL254372A (enrdf_load_html_response)

Family

ID=10140458

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL254372D NL254372A (enrdf_load_html_response)	1930-07-02

Country Status (3)

Country	Link
DE (1)	DE1144405B (enrdf_load_html_response)
GB (1)	GB353222A (enrdf_load_html_response)
NL (1)	NL254372A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3522469A (en) *	1968-04-12	1970-08-04	Varian Associates	Magnetic beam focusing structure for a traveling wave tube employing magnetic shunts between the pole pieces and the emitter
FR2641899A1 (fr) *	1989-01-17	1990-07-20	Thomson Tubes Electroniques	Canon a electrons muni d'un dispositif actif produisant un champ magnetique au voisinage de la cathode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT137264B (de) *	1933-04-14	1934-04-25	Lignose Hoerfilm System Breusi	Einrichtung an Entladungsgefäßen mit einseitig gerichtetem Elektronenstrahl.
BE442068A (enrdf_load_html_response) *	1940-07-03
DE746498C (de) *	1940-11-30	1944-12-23		Direkt geheizte wendelfoermige Kathode fuer Kathodenstrahlroehren
BE443460A (enrdf_load_html_response) *	1940-11-30
GB739092A (en) *	1953-02-07	1955-10-26	Emi Ltd	Improvements in or relating to magnetron valves

0
- NL NL254372D patent/NL254372A/xx unknown
1930
- 1930-07-02 GB GB2010530A patent/GB353222A/en not_active Expired
1960
- 1960-08-09 DE DE1960N0018750 patent/DE1144405B/de active Pending

Also Published As

Publication number	Publication date
DE1144405B (de)	1963-02-28
GB353222A (en)	1931-07-23

Publication	Publication Date	Title
BE378395A (enrdf_load_html_response)
IT299941B (enrdf_load_html_response)	1932-08-23
BE378505A (enrdf_load_html_response)
BE383020A (enrdf_load_html_response)
NL254372A (enrdf_load_html_response)
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BE393422A (enrdf_load_html_response)
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BE379472A (enrdf_load_html_response)
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BE376971A (enrdf_load_html_response)
BE375789A (enrdf_load_html_response)
NL32228C (enrdf_load_html_response)	1934-02-17
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BE377958A (enrdf_load_html_response)
BE379778A (enrdf_load_html_response)	1931-06-30
BE379742A (enrdf_load_html_response)
BE379517A (enrdf_load_html_response)	1931-06-30
BE379367A (enrdf_load_html_response)	1931-05-30
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BE379129A (enrdf_load_html_response)
BE378055A (enrdf_load_html_response)