Thermal head and printing device

Thermal head and printing device

  • CN 101,037,049 A
  • Filed: 03/16/2007
  • Published: 09/19/2007
  • Est. Priority Date: 03/17/2006
  • Status: Active Application
First Claim
Patent Images

1. hot head, it comprises:

  • Have the glassy layer that is formed on a lip-deep protuberance and is formed on another lip-deep recessed groove towards protuberance,Be provided at heat on the protuberance generate resistor andBe provided to the pair of electrodes that heat generates the both sides of resistor,Wherein heat generates resistor exposed portions between this is to electrode and is defined as hot generating unit,Protuberance the radius of curvature of both sides less than the radius of curvature of core andThe width of groove is one of length that is equal to and greater than hot generating unit.

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