306. The main purpose of the metalization process is—

1. 1. To act as a heat sink

   
   
   

   2. To interconnect the various circuit elements

   
   
   

   3. To protect the chip from oxidation

   
   
   

   4. To supply a bonding surface for mounting the chip

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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307. Increasing the yield of an IC—

1. 1. Reduces individual circuit cost

   
   
   

   2. Increases the cost of each good circuit

   
   
   

   3. Results in a lower number of good chips per wafer

   
   
   

   4. Means that more transistor can be fabricated on the same size wafer
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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308. Silicon dioxide is used in integrated circuits—

1. 1. Because of its high heat conduction

   
   
   

   2. Because it facilitates the penetration of diffusants

   
   
   

   3. To control the location of diffusion and to protect and insulate the silicon surface

   
   
   

   4. To control the concentration of diffusants

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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309. Monolithic integrated circuit system offer greater reliability than discrete-component systems because—

1. 1. There are fewer interconnections

   
   
   

   2. High-temperature metalizing is used

   
   
   

   3. Electric voltage are low

   
   
   

   4. Electric elements are closely matched
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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310. The sheet resistance of a semiconductor is—

1. 1. An important characteristic of a diffused region especially when used to form diffused resistors

   
   
   

   2. An undesirable parasitic element

   
   
   

   3. A characteristic whose value determines the required area for a given value of integrated capacitance

   
   
   

   4. A parameter whose value is important in a thin-film resistance
      

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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