Light gauge heating elements

Light-gauge heating elements are constructed using thin wire formed into sinusoidal patterns or spring-like coils. "Light gauge" refers to the use of smaller-diameter wire in the creation of these elements. This design is essential for achieving uniform temperature profiles and stable thermal conditions during LPCVD steps.

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Applications

LPCVD and Low-Temperature Applications: Used when precise control over low temperatures is required. Applications such as LPCVD; polysilicon, nitride, and low-temperature oxide. 

Fast Temperature Response Applications: Ideal for processes that demand rapid temperature changes.

Fast Cool Applications: Efficient in applications requiring quick cooling.

A typical low-mass heater consists of:

  • Half-shell ceramic molds with embedded wire sinuation or spring coils.
  • Ceramic mold backed with dry blanket fiber for designed insulation value and balanced compression.
  • Tooled vacuum-formed ceramic vestibule end insulators.
  • Varieties of thermocouple position clamps.
  • Ceramic lead locks on internally bussed elements. Power blocks on externally bussed.

Characteristics

  • Mid and light gauge wire sinuated, or spring coiled cold with precision machines.
  • 25mm and 50mm typical sinuated bend patterns.
  • SST or aluminum exterior casings.
  • Low mass design for low temperatures and faster thermal response.
  • White or black surface coating.