Low and medium temperature heaters have wing shape heating elements and high temperature heater has tubular heating elements.
低、中温型加热器采用翅片式电热元件，高温加热器采用管状元件。
2
Based on the low evaporation temperature of organic semiconductors, a radioactive heater-crucible assembly was developed for vacuum evaporation coating and sputtering coating systems.
针对有机半导体材料的蒸发温度低的特点，设计并制作了低温辐射式加热器。
3
Programs and approaches which were used to collect temperature and control heater in the low-voltage system were given out.