Trip Report - 1959 IRE Convention

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-02820A000500020043-7
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 3
• Document Creation Date: November 17, 2016
• Document Release Date: March 10, 1998
• Sequence Number: 43
• Publication Date: March 30, 1959
• Content Type: TRIP

Approved For Release 2000/~DP78-02820A000500020043-7
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The Files ~ I~.baratoryj
drip art - ~.~~9 ~cxxventian
~9~9
t"tIi M~z'c#Z ~ ~IlE~. Ch ~11~ f`?7~.~.Q'F1~ Fs,r~,r~p"~'xe 3~iC~.L~f~~ ~'?~~
sie~ ~~' t~~e Iect~.re sessions stte~~. : descriptic~.s ~~
interesting exhkibit~a ~ae~ durix~ ~~.~ ecar~.~e~tc~;
~~}
the Field I~.ffect ~etr~d:e~
Mr, ~ R. St~ne~ ,7r. of Bell T+aiep~t~ne La~'bs
describeeT the c~e^~e3.cs~.~t Qi' ~ n 1"o~.a:l"..texs~1.
field ei`~ect s3,conduc~tc~r device ~sh~.chi x~
e~d~.itic~x~ to heit~ ~.mprt~v~d ~'3.eld effect
trru~sistcar~ e.7.so exh#.bits seversl ~.r~:t.erestix~g
t~nti u~3e#'u3. grc~~xt~.es= the principal. f`ture
the- i`eld effect tetrt~de ~ that it utilises
trJO c~ppt~sin~ c~:a~~;ls, each of Wta.1c~ serves a:~ a
g~tf.~g el.emeat fc~r the ether. ~e two et~,nzie3.s
-are e~~eci ~n ~~e ~~.n "~" ~n+d "~" r~i.cxi~s
sepsz sled by e~ single ti3.ffused ,~'~c1;f~n.
cc~:ttcts ex~e a to es~eh xegi.?sn~ thus prc>vfding
a -te~xs2 arrex~get, 'fhe t~ c4zrtacts
in h z~egitx~ are 3:+s~ated in suctl e, ~r fihst
~?~ the di2'f`uaed ~unct~~ i r~:rse-beeed$ the
ohs~e3;s in the tiro ~gians a 3x~ par~,.le~:.
~e field exPf'ect tetrads t~ua be ueefi eithesr a
t~rcr-terminal;. Qz fca+~sr-tera3. arr~~meat. A~s
twt~-tex~a3. device, the ~'i.$ld effect tetx~c~ds
s~c~;ibits the ~~~Y ~~` stele x~ge~tive reste~ce
over a 3er,~e portion cf its operatic raa~e . ~n
tYze ft~ur-termil. coxxf'ix`at~.cm,, the ~3evice acts
e.e en ice inverter. r exhale, e: s1
iz~dtactive reactance presexated ~~ the input tert~rtals
~ri.ll Sgpear es s large cs~pacitive reac~;ce et the
teinsl.s.
Approved For Release 2000/09/11 :CIA-RDP78-02820A000500020043-7
 Approved For Release 2000/09/1.,1,
RDP78-02820A000500020043-7
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Approved For Release 2000/09~{~~FbP78-02820A000500020043-7
 Approved For Release 2000/09/1.1,: CIA,-RDP78-02820A000500020043-7
Y~rc~ey ~.etr3.~ Cox~aration d~~~l~ed a ~eaa~
+aP its '~~.8~' r~ches~~b~.~ ~a13es ~ah~~h cam
the a~l~~ off' ~'~-t~ rgd~d siz4 ~. igh~
~v~r ,~thex' ce~ll~ of ~ +~+
II.e~trc~n3c ~e~h Jlssaa3ete~
r~vx-vc~.~ ~*~-~urr~+nt e~3:e?~trs3cs .~,im9: r~r3~r
far with tre~~i.s ~" ?~t~$X,y~r~. The ~t
c~te~ts hem this ~" ~xtd, ~.o~tiy ~rui
prt'la~ comer-~ro2tage ~d ~shar~t~-eircu~.t t~urrsnt
grat~t3cu~ ;far b~ the tr~ua~i~tor ~~" ely
the e+~ax~.e~te~ct circti~,t~ ~ orr~rw~valta~e
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25X1A9
Lab/TNiY/~cm (30 March 1959}
Distribution: 1 -Addressee