Published on CIA FOIA (foia.cia.gov) (https://www.cia.gov/readingroom)


OXIDE CATHODE EMITTERS AND SOVIET FACTORIES MAKING ELECTRON TUBES

Document Type: 
CREST [1]
Collection: 
General CIA Records [2]
Document Number (FOIA) /ESDN (CREST): 
CIA-RDP82-00457R015100270003-9
Release Decision: 
RIPPUB
Original Classification: 
S
Document Page Count: 
2
Document Creation Date: 
December 27, 2016
Document Release Date: 
December 17, 2013
Sequence Number: 
3
Case Number: 
Publication Date: 
November 26, 1952
Content Type: 
REPORT
File: 
AttachmentSize
PDF icon CIA-RDP82-00457R015100270003-9.pdf [3]57.47 KB
Body: 
Declassified in Part - Sanitized Copy Approved for Release 2013/12/17: CIA-RDP82-00457R015100270003-9 r 5- . . , ? 1 C 'fl En., , *1 7, CI ' X FEB 1952 LI- CENTRAL INTELLIGENCE AGENCY ...., Li h 7' CLASSIFICATION SECRET _ SECURITY INFORMATION INFORMATION REPORT REPORT CD NO. 50X1 COUNTRY? USSR DATE DISTR. 26 November 1952 SUBJECT Oxide Cathode Emitters and Soviet Factories Making NO.OFPAGES2 Electron Tubes DATE OF INFO. PLACE ACQUIRED NO. OF ENCLS. (LISTED BELOW) 50X1 ITHIS DOCUmENT CONTAINS INFORMATION AFFECTING THE NATIONAL otroise OF THE UNITED STATES, WITHIN THE NEANINGOF TITLE 18, SECTIONS 193 ' AND 7914, OF THE U.S. CODE, AS AMENDED. ITS TRANSMISSION OR REVE- LATION OF ITS CONTENTS TO OR RECEIPT SY AN UNAUTHORIZED PERSON IS M01118110 ST LAW.. THE REPRODUCTION OF THIS FORM 1$,PRONIOITEO. 50X1-HUM * Not graded THIS IS UNEVALUATED INFORMATION 50X1-HUM 50X1-HUM the USSR has considerable cuan.culty in developing good oxide cathode emitters. This was reflected in the many questions that were brought to this problem. The material used for the cathode sleeves was always nickels, some with a small percentage of aluminump and some with a smaLl percentage of silicon or maanesinm flgiati purposes of comparisnn the Soviets are now using magnesium Cmcsekinecause it was recommended in the American literature which they read. I CLASSIFICATION SECRET STATE NAVY NSRO DI SIR I BUT I ON ARMY AIR FBI SI/PE E4 4 RR/T E4 21 50X1-HUM Declassified in Part - Sanitized Copy Approved for Release 2013/12/17: CIA-RDP82-00457R015100270003-9 Declassified in Part - Sanitized Copy Approved for Release 2013/12/17 : CIA-RDP82-00457R015100270003-9 2. SECRET - ? The- Rescier of-Madam 'Thrall's 9 Elactronlasp ant. Radio Ewitifia;eriik irrittedin,Engiiphi Aord the most vbetipericid-idals. they were_nnWooly 4-5 matillhs mArnesium_nickel was used. for Impulse. tnbau'in America.. Al+how h library at Institute 160,fligenerany e.ed.. the libraxyrin_Mossi atichEalso_furnithed no:Sn excellent excuse to-get lc:IMoscow-to shop. Some of the avallsbT A MASIAMARA Al Our library altocame_from West and_Eard Germany ? three.Soviet_factories MATO engaged' in making ? tut:tea-Al theingh: others ,nwAcwmptily exist. Those were located in LAwingt..1119.11ovce4Mr.k, and_Saratov. Leningrad This fact . . 50X1 50X1-HUM 50X1-HUM 50X1-HUM 50X1-HUM 50X1-HUM 50X1-HUM . , waa fniylylarge.. -tnhas were _Made. for 50X1-HUM evisiot. -13111111?72" Ste.' "it" nn - evrer4"" l'eft5OX1-HUM: . the Inwtitnte and e.sme'l..ere.,.to iowiwgrad,Aw 4rii1 .1948. ? Mengthem were design engineers, technicians, Snd helpers. *swayer:1, three televiaion tube &Signers remained at Institntel.160. J ! NovAnibirsk tubes were manufactured at.thie.plant but as ? not certain. Santa' kehale Soviet techniciAma from. this factory canTELSo-. Tnia+1 tnte,4-60 .siaLmas. tf- trfetning .and An then.. ..retwririPLUtc_Samatow.. some %y hate worked LI the Galvanic and Chemical Laboratories. SECRET 50X1-HUM 50X1-HUM 50X1-HUM. Declassified in Part - Sanitized Copy Approved for Release 2013/12/17: CIA-RDP82-00457R015100270003-9

Source URL: https://www.cia.gov/readingroom/document/cia-rdp82-00457r015100270003-9

Links
[1] https://www.cia.gov/readingroom/document-type/crest
[2] https://www.cia.gov/readingroom/collection/general-cia-records
[3] https://www.cia.gov/readingroom/docs/CIA-RDP82-00457R015100270003-9.pdf