Occupational Safety and Health Administration OSHA

Ingot Growing

Ampoule Load and Seal

First, the quartz ampoules are attached to an oil-diffusion vacuum pump assembly. The system is evacuated and the ampoule is heated with a hydrogen/oxygen torch. Finally the end of the ampoule is sealed, which creates a charged and sealed quartz ampoule ready for furnace growth.

The following are potential hazards for ampoule load and seal.

Flammable Gases, Fire

Potential Hazard

  • Possible ignition of flammable gases, resulting in fire and/or explosion. Employees may also be exposed to gases above permissible limits.

Possible Solutions

Back to Top

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.