Through Hole Technology vs Surface Mount Technology
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Questions and Answers

What is the primary function of heat sinks in a printed circuit board?

  • To provide power to components on the board
  • To dissipate heat from components (correct)
  • To attach components to the board
  • To connect the circuits of the board to a special plug
  • What is the base material of a printed circuit board referred to as?

  • Cladding
  • Substrate or laminate (correct)
  • Metal foil
  • Conductor
  • What is the purpose of terminals or pads on a printed circuit board?

  • To accommodate the component leads (correct)
  • To provide power to components on the board
  • To connect the circuits of the board to a special plug
  • To dissipate heat from components
  • What is the typical material used to make the metal foil in a printed circuit board?

    <p>Copper</p> Signup and view all the answers

    What is the characteristic of Through Hole Technology components?

    <p>Their legs occupy space on both sides of the board</p> Signup and view all the answers

    What is the purpose of the photoresist in producing a printed circuit board?

    <p>To chemically change the solubility of the copper foil</p> Signup and view all the answers

    What is the process called when a circuit pattern is placed on the copper foil using light of a specific wavelength?

    <p>Photographic method</p> Signup and view all the answers

    Why are connectors for cables and similar devices usually Through Hole Technology?

    <p>Because they can withstand mechanical stress</p> Signup and view all the answers

    What is an advantage of Surface Mounted Components over Through Hole Technology components?

    <p>They are much smaller and make the PCB more dense</p> Signup and view all the answers

    Why are Surface Mounted Components cheaper than Through Hole Technology components?

    <p>The reason is not specified in the text</p> Signup and view all the answers

    What makes it difficult to solder a Surface Mounted Component manually?

    <p>Because the connection points and component legs are very small</p> Signup and view all the answers

    What is true about the mounts of Surface Mounted Components?

    <p>They are mounted on both sides of the PCB directly underneath each other</p> Signup and view all the answers

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