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Until recently, the Model 6-8 O-ring made by Precision Associates Inc. held the title of the world’s smallest O-ring, but it has been usurped by its even tinier little brother, the 4-4. Th e 4-4 has a 0.004" cross section and a 0.004" ID, while the 6-8 has a 0.006" cross section and an ID of 0.008".


A British nanotechnology company has created what it says is the world’s darkest material. It is so dark that it is like looking into a black hole, and can make anything it covers nearly invisible. It is so dark that if the material is crumpled, the human eye cannot discern its shape or form and it appears flat. 




Researchers at the University of Houston, in collaboration with colleagues at Rice University and the University of Washington, developed a graphene nitride material they say is the one of the thinnest possible piezoelectric materials, with layers that measure 1-atom thick. 




Researchers at STF Technologies LLC, a spin-off company from the University of Delaware, are developing a puncture-resistant surgical glove, according to the company’s co-founders Norman Wagner and Richard Dombrowski.



Precision motion specialist PI (Physik Instrumente) introduced its new 6-axis positioning system, the H-850KMLD hexapod




Sierra-Olympic Technologies Inc. introduced the Vinden CZ 320 continuous zoom thermal chassis camera.



Injection molding companies that produce small and micro parts are faced with the unique challenge of drying just the right amount of material for their processes. These smaller throughputs can present considerable problems, according to motan-colortronic, a German company. In the U.S., the company operates as Motan Inc., with headquarters in Plainwell, Mich.


The RIFF Co. Inc., Cheshire, Conn., calls itself “small hole gurus,” because it can produce burr-free microdrilled holes down to 0.002" in diameter and 0.020" in depth. The company said it uses a “unique process” to ensure burr-free parts.


Orbotech Ltd. has signed a purchase agreement to acquire SPTS Technologies Group Limited, a U.K.-based manufacturer of etch, deposition and thermal processing equipment for the microelectronics industry. SPTS was acquired from a European private equity firm, among other investors.


Minneapolis-based Stratasys Ltd., a global provider of 3D printing and additive manufacturing technology, has completed the acquisition of Solid Concepts, a supplier of additive-manufacturing technologies based in Valencia, Calif.

In April, Stratasys announced the acquisitions of Solid Concepts and Harvest Technologies, a Belton, Texas, additive-manufacturing company. Stratasys is expected to complete that acquisition by the end of July.