Microbridge Technologies Announces Micro-Flow Differential Pressure Sensors for Medical Respiration and Industrial HVAC Ap... ( Company achieves the world's highest ...)

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Microbridge Technologies Announces Micro-Flow Differential Pressure Sensors for Medical Respiration and Industrial HVAC Applications

Date:6/8/2009

Company achieves the world's highest flow impedance driving performance parameters up and driving manufacturing costs down

CHICAGO, June 8 /PRNewswire/ -- Sensors Expo & Conference - Microbridge Technologies, Inc., the leader in passive, analog precision calibration products (Rejustors), today announced a family of Nano-Air-Flow Differential Pressure Sensors targeted at medical respiratory and industrial HVAC applications. Microbridge is demonstrating the capabilities of these sensors at The Sensors Expo, June 8 - 10, booth #522.

The new devices incorporate a thermal anemometer element and CMOS Analog conditioning circuitry with a micro-flow channel having very high flow-impedance that allows accurate sensing of low differential pressures over a wide dynamic range. The flow-impedance is pre-defined at the die-level, requiring only 2.5nl/sec of air flow and thus dramatically relaxing demands on subsequent packaging operations, resulting in a smaller, lower-cost solution.

"We are faced with an aging population and with it a growing need for access to affordable and top medical care," said Bob Vaupshas, president & CEO at Microbridge. "Respiration equipment, spirometers and sleep apnea apparatus are just some of the medical tools needed to address this longer life span. Our technology makes it less expensive and enables better performance than current solutions."

Microbridge's approach allows the sensor to be constructed with flow impedances of up to several hundred thousand Pascals, more than 1,000 times greater that other competing technologies. Key advantages of this nano-air-flow approach are the virtual elimination of leakages, greatly reduced susceptibility to poor filtration, a smaller footprint (often less than 50% of alternative solutions) and the enablement of very low cost package options. Additionally, the Microbridge approach facilitates the use of long hoses, dissimi
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