Describe the diffused junction method of forming a semiconductor.
What will be an ideal response?
The diffused junction method is the method most in use today. A mask with openings is placed on a thin section of N- or P-type semiconductor material called a wafer. The wafer is then placed in an oven and exposed to an impurity in a gaseous state. At an extremely high temperature, the impure atoms penetrate or diffuse through the exposed surfaces of the wafer. The depth of diffusion is controlled by the length of the exposure and the temperature.
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Una tubería que está alineada horizontalmente se dice que está:
a. a nivel. b. recta. c. aplomada. d. precisa.
Compare diesel fuel to gasoline.
What will be an ideal response?
Herbicides that kill only certain types of plants are called _____
A) nonselective B) selective C) harmless D) integrated
Which of the following is a way that Teva promotes rapid prototyping?
A. Acquiring pharmaceutical firms B. Sponsoring hackathons C. Identifying promising products D. Marketing proprietary branded ingredients