Ultrasonic transducer (direct coupling of r.f. currents in transducer surface)

Ultrasonic transducer (direct coupling of r.f. currents in transducer surface)

Peak p r e s s u r e m e a s u r e d by acoustic e m i s - sion Dunegan, H. L. and Tatro, C. A. US Patent 3,447,378 (3 June 1969) (Filed 7 September ...

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Peak p r e s s u r e m e a s u r e d by acoustic e m i s -

sion Dunegan, H. L. and Tatro, C. A. US Patent 3,447,378 (3 June 1969) (Filed 7 September 1967) (1874) Non-contact displacemeni t r a n s d u c e r Foster, G. B. US Patent 3,452,273 (24 June 1969) (Filed 22 December 1965) (1875)

Microwave ultrasonic apparatus Levinson, M. L. US Patent 3,451,401 (24 June 1969) (1890) Supersonic horn (Circular pipe s e c u r e d to leading end of l ~ t u d ~ n n | vibration horn) Kaijo Denki kk Japanese Patent JPC 19470/69 (22 August 1969) (Applied for 23 January 1967) (1891)

P e r f o r m a n c e of s h e a r mode zinc ~xide thin film ultrasonic t r a n s d u c e r s Foster, N. F. Journal of Applied P h y s i c s , Vol 49, No I0 (September 1969),pp 4202-4204 (1876)

Generation and propagation of ultrasonic noise in electrically inhomogeneotm CdS crystals Komar, V. K., Sysoev, L. A., Timan, B. L. Soviet P h y s i c s - A c o u s t i c s , Vol 15, No 2 (Oct-Dec 1969), pp 197 (1892)

High frequency vibrator French Ministry of Building and Works French Patent l, 568,025 (23 May 1969) (Applied for I0 January 1968) (1877)

New wave in acoustics (ultrasonic holography and s u r f a c e waves) Lawes, G. New Scientist, (9 October 1969) (1893)

Ultrasonic r e c e i v e r Giede, K. G e r m a n Patent 1295, 874 (Applied for 22 May 1969. Add. to 1246265) (1878)

Acoustoelectric ampli/ication at microwave frequencies in InSb in c r u s s e d electric and magnetic field (observation using s h e a r waves f r o m 1-1. ~GH~. at 77°K) Livingstone, J., and Duncan, W. British Journal of Applied Physics, SOr 2, Vol 2 (October 1969), pp 1411 (1894)

Ultrasonic amplification by minority charge c u r r i e r s in piezoelectric s e m i c o n d u c t o r s Greebe, C. A. A. J., van Dalen, P. A. Philips R e s e a r c h Reports, Vol 24, No 3 (July 1969),pp 168-200 (18~9) Acoustoelectric energy t r a n s f o r m a t i o n in piezodielectric and piezoelectric s e m i c o n ductor r e c e i v e r s at resonance Grishchenko, E. K. Soviet Physics--Acoustics Vol 15,No 2 (OctDec 1969),pp 184 (1880) Lead titanate g l a s s - - c e r a m i c s G r o s s m a n , D. G. and Isard, J. O. Journal of the American C e r a m i c Society, Vol 52,No 4 (21 April 1969) pp 230-231 (1881) Mechanical to electrical semiconductor transducer Heywang, W. US Patent 3,460,004 (5 August 1969) (Filed 20 August 1964) (1882)

Ultrasonic wave couplinge Magnailux Corp British Patent 1,168,881 (Applied for 17 January 1967) (1895) Electrnaconstic t r a n s d u c e r with improved shock r e s i s t a n c e Massa, F. US Patent 3,460, 061 (5 August 1969) (Filed 7 October 1965) (1896) Method of m~lcin~ elastic electrode (for u s e in piezoelectric t r a n s d u c e r s ) Matsushita Denki kk Japanese Patent JPC 2319/69 (2 October 1969), (Applied for 17 June 1966) (1897) Ultrasonic wave generator Malvin, M. A. US Patent 3,466,017 (9 September 1969), (Filed 19 December 1967) (1898)

Modulation s y s t e m of solid oscillator (applying a coherent ultrasonic wave parallel to oscillation current) Hitachi kk Japanese Patent JPC 17651/69 (2 August 1969) (Applied for 31 May 1965) (1883)

The design of high power c e r a m i c t r a n s ducer a s s e m b l i e s (4.2kW at 15 kHz) Maropis, N. IEEE Transactions on Sonics and Ultrasonics, Vol SU-16,No 3 (July 1969),pp 132 (1899)

Piezoelectric c r y s t a l vibrator Horton, W. H. Japanese Patent 5PC 13876/69 (20 June 1969) (Applied for 29 September 1965) (1884)

Piezo-electric c e r a m i c twist oscillator Matsushita, Denki kk Japanese Patent JPC 20436/69 (2 September 1969) (Applied for 6 May 1969) (1900)

Ultras~mle t r a n s d u c e r (direct coupling of r.f. c u r r e n t s in t r a n s d u c e r surface) Houck, J. R. and Bohm, H. V. US Patent 3,460,063 (5 August 1969) (Filed 26 July 1968) (1885) Design of constant-velocity feedback power oscillater for ultrasonic applicatioon Ide, M. Electrical Engineering in Japan, Vol 88, No 11 (November 1968),pp 10 (1888) Ou the adequac~ of equivalent c i r c u i t s for piezomagsstic transducers Jagodinski, Z. Acustica, Vol 21,No 5 (1969)pp 283-287 (1887) Opt/mum conditions for evaporation of cadmium sulphide film~ for generation of microwave ultrasonics Kin~, P. J. British Journal of Applind Physics, Set 2, Vol 2,No 6 (September 1969)p 1349 (1888) Improved acoustic device Krupp, F. French Patent 1,575, 423 (18 July 1969) ~pplied for 8 August 1968) (1889)

Piezoelectric resonance element part (foam resin ~clrin~ for transducer) Matsushita Denki kk Japanese Patent JPC 2319/69 (2 October 1969), (Applied for 20 July 1967) (1906) Method of m ~ n ~ a piezoelectric device Miller, K. F. US Patent 3, 458, 915 (5 August 1969) (Original application 5 January 1966) (1902) Nonlinear phenomena a r i s i n g during excitation of m ~ n ~ t e e l a s t i c waves in y t t r i u m iron garnet Miranov, S. A., Shevlyagin, K. V. and Lebed, B.M. Soviet Physics--Solid State, Vol 11, No 1 (July 1969) p 170 (1203) Oriented IATaO 3 c r y s t a l and devices u s i n g s~n~e Onoe, M., and Warner, A. W. US Patent 3,461,408 (12 August 1969), (Filed 9 F e b r u a r y 1967) (1904) Piezoelectric and elastic p r o p e r t i e s of cadl~Itl/~ snl~hide in the t e m p e r a t u r e range

1.5-300~K Pado, G. S.,Kobyokov, J. B. and Sysoev, L. A. Soviet Physics--Solid State, Vol 11, No 2 (August 1969) p 376 (1205)

Ultrasonic wave t r a n s d u c e r (ultrascvic wave is applied through a cylindrical roller which ts rolled along the text piede) P a n a m e t r i x Inc Japanese Patent JPC 24989/69 (22 October 1969), (Applied for 20 July 1967) (1906) Electromechanical t r a n s d u c e r a s s e m b l i e s P e a r c e , G. US Patent 3,460,062 (5 August 1969) (Filed 28 August 1968) (1907) Interaction between dislocations and pinnin~ c e n t r e s in K B r c r y s t a l s Platkov, V. Ya. Soviet P h y s i c s - S o l i d State, Vol 11, No 2 (August 1969) p 343 (1908) Optical detection of Rayleigh waves Saitzmann, E. and Weismann, D. Journal of Applied Physics, Vol 40, No 8 (July 1969) p 3408 (1909) Piezo-electric c r y s t a l manufacturing a p p a r a t a s and method (for location of atomic plumes relative c r y s t a l surface) Samuelson, W. H. US Patent 3,446,265 (3 June 1969) (Filed 1 June 1966) (1910) Axinymmetric deformation of a c i r c u l a r cylinder of piezoelectric c a d m i u m selenide crystal Srinivasa Rao, B., and Paul, H. S. Applied Scientific Research, Vol 20, No 4 (March 1969) (1911) Square root responsive p r e s s u r e t r a n s d u c e r s Stedman, C. K. US Patent 3,444,736 (20 May 1969) (Filed 22 July 1966) (1912) Piezoelectric t r a n s d u c e r s (simple, cheap and high coupling factor) Schafft, H. W. UK Patent 1,159,337 (Date of Application and filing complete specification 4 April 1967) (1913) A new way of coupling a c o ~ l line to a microwave cavity for microwave ultrasonics Tarnov, V. Proc IEEE June 1969 Vol 57, No 6 p1188

(1914) Apparatus for producing underwater acousticat impulses (for geserating i m p u l s e s by electrical discharge through water, setting up p l a s m a bubbles Teledyne Industries Inc. British Patent 1,157,736 (9 July 1969) (Applied for 17 Aug 1967) (1915) Method of joining piezoelectric elements Trott W. J. and Rad~ord W. E. US Patent 3,448, 503 (10 June 1969) (1918) m ~ frequency sound signal detecter United States Atomic Energy C o m m i s s i o n French Patent 1,569,459, (30 May 1969) (Applied for 24 June 1968. In US 26 June 1967) (1917) Elastic properties of tellurium Valiev, A. A., Koptez, Y. I., Nikanorov, S. P., Stepanov, A. V. Soviet Physics--Solid State, Vol 11, No 1 (July 1969) p 190 (1918) A r m a t u r e mounting a s s e m b l y for a s electroacoustic t r a n s d u c e r Vito, L. US Patent 3,460,080 (5 August 1969) (Filed 28 April 1967) (1919) Magnetestrictive generation of s u r f a e s e ~ tic wavus. (generation of s u r f a c e waves at 60MHz by magnetostrictive coupling in y t t r i u m iron garnet) Voltmer, F. W., White, R. M., and T u r n e r , C.W. Applied P h y s i c s L e t t e r s , V o l 15, No 5 (1 September 1969),pp 153 (1920) U L T R A S O N I C S J a n u a r y 1970

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