Semiconductor Testing & Prober Technology Insights

Introduction to Micropositioners

November 10, 2017

 

micropositioner What Are Semiconductor Probe System Micropositioners?

Micropositioners, also referred to as, positioners, manipulators, micromanipulators and probe heads, position the probe arm and probe tip in the die. These devices are truly the workhorses of the modern probe station. Micropositioners are held in place by magnets, vacuum, or, in special applications, fixed in place with bolts.  

All micropositioners are equipped with mechanisms to adjust the probe tip in three planes, X, Y, and Z.  Some micropositioners also have a roll adjustment to align the angle of the probe tip for RF or Optical measurements.

When selecting a micropositioner, what do you need to know?

When selecting a micropositioner, it is important to know what type of measurement it will be taking.  Once that is determined, you can select the proper probe arm and probe tip. The length and weight of the probe arm will help determine which size micropositioner is best suited for the particular testing application.

Most micropositioners are adjusted with thumbwheels, knurled knobs or micrometers.  However, programmable micropositioners are available that can be adjusted by the probe station control system so that multiple points may be probed on a die.

 SemiProbe MicropositionerManual Micropositioner micropositioner

 

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Topics: Accessories, Educational Topics

Author: Doug Merrill

Doug Merrill, CEO, joined Semiprobe in 2016 and brings 25 years of operations, quality, and financial experience to the team. He has degrees in Engineering Physics and an MBA from Cornell University. He began his career with 14 years at General Electric, graduating from the Manufacturing Management Program and rising through the ranks of GE Energy. He has worked in executive roles for Husky Injection Molding and Dynapower Company, and sits on the board of directors of Orbit/FR, a microwave test equipment firm. Doug lives in Shelburne, Vermont with his wife and two sons. When not in the office, he can often be found sailing on nearby Lake Champlain.
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