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www.us-tech.com
September, 2018
Presto Develops Specialized Test Equipment
Purex Inc
2246 Palmer Drive Suite 108
Schaumburg, IL 60173
www.purexinc.com
See at The ASSEMBLY Show, Booth 1749 A
San Jose, CA — Companies are push- ing the boundaries with products faster than manufacturers of test equipment can keep up. Presto Engi- neering offers testing solutions for customers who need test equipment for new technology. In most cases, Presto creates a
hardware solution that is built into the load board so that a standard tester can be used rather than hav- ing to buy and charge the customer for a highly specialized tester. Test costs are based on the time that a tester is used. The small additional costs of components on a load board is significantly more cost-effective than moving to a higher-feature or specialized tester. An example of adapting stan-
dard test equipment to outperform is for ultra-low-current testing. By adding a current amplifier onto the load board, a standard tester can now be used to measure currents as low as one nanoamp. Similarly, one customer needed 6.5 GHz testing, but standard testers only handle up to 6 GHz. A tester that can handle up to
12 GHz is much more expensive. In- stead of incurring this cost for the customer, Presto devised a frequency translator that was integrated onto the load board so that a standard 6 GHz tester could be used beyond its normal range. In another case, Presto Engi-
neering faced a challenge when asked to test the performance of a photodiode that was integrated into a chip. Each photodiode on the wafer needed to be tested for its response to light input.
The normal wafer stepper mo-
tors could not provide the level of ac- curacy needed to position the wafer. So, instead of moving the wafer, Presto created a solution using tiny
Presto creates customized testing solutions for leading-edge technology.
motors for the fine x and y alignment of the laser beam that was used to stimulate each photodiode. Presto Engineering provides
outsourced operations for semicon- ductor and Internet of Things (IoT) device companies, helping its cus- tomers minimize overhead, reduce risk and accelerate time to market. The company develops industrial so- lutions for RF, analog, mixed-signal, and secured applications — from tape-out to delivery of finished goods. The company’s proprietary, highly secure manufacturing and provision- ing solution is coupled with extensive
backend expertise. Contact: Presto Engineering,
109 Bonaventura Drive, San Jose, CA 95134 % 408-372-9500 E-mail:
sales-northamer@presto-eng.com Web:
www.presto-eng.com
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