Mass flow controller from Brooks Instrument gains safer delivery

September 12, 2011 — Flow products provider Brooks Instrument launched a new Safe Delivery System (SDS) option for its GF120 mass flow controllers. The GF120 SDS is a low-pressure drop mass flow controller that delivers sub-atmospheric SDS gases used in implant and etch processes.

Sub-atmosphereic SDS gases are adsorbed onto a solid medium within the gas cylinder, remaining below atmospheric pressure despite containing up to 15 times more dopant than conventional pressurized sources. Most mass flow controllers require a 50Torr differential pressure at flow rates of 5sccm; however, with that pressure drop, only about 65% of the dopant can be extracted. The GF120 SDS low-pressure operation enables a further 30% of the dopant to be extracted. This drives significant cost-savings in SDS gases and equipment.

The GF120 SDS models may also be used in other challenging applications that require low pressure drop. These devices are available in full-scale flow ranges from 4sccm to 1slpm.

Brooks Instrument LLC provides advanced flow, pressure, vacuum, and level solutions. For more information, visit www.BrooksInstrument.com.

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