41. Bond received his first patent in 1968 for a Mounting and Cooling Apparatus for Semiconductor Devices . 42. Semiconductor devices ( as of 2005 ) are built by depositing and patterning many thin layers.43. Topping the roster of major imports last year were dice for the manufacture of semiconductor devices . 44. Paradigm designs, markets and manufactures SRAM semiconductor devices for telecommunications products, personal computers, networks and modems. 45. FIB is often used in the semiconductor industry to patch or modify an existing semiconductor device . 46. He holds three US patents for semiconductor devices . 47. Taken over by the Ferranti company during WWII to manufacture radio valves and then semiconductor devices . 48. A Gunn diode, a semiconductor device with negative differential resistance used in electronic oscillators to generate microwaves 49. No more high-speed, high-density SRAM semiconductor devices . 50. The first power semiconductor device appeared in 1952 with the introduction of the power diode by A.