Equipment and Materials ♦ news digest
Empyrean is PANalytical’s answer to the challenge of modern materials research. Coupled with a comprehensive software suite, Empyrean supports multiple users, unattended and remote operations, automatic data collection and analysis reporting. Today’s research themes are nanomaterials, life sciences and renewable energy; tomorrow science may move in a different direction.
The lifetime of PANalytical diffractometer stretches beyond the horizon of a single research program. For many scientists the ability to accommodate change is a unique ‘must have’ feature when deciding to invest in an XRD system. Time to value has become increasingly important for sustainable businesses today.
The 49th annual R&D 100 Award was open to a number of industry sectors, academia and government laboratories who despite the recent economic downturn have continued to innovate. Winners were chosen following an extensive review by an independent judging panel and the editors of R&D Magazine.
X-ray goniometry service orients single-crystal sapphire
The service validates the sample or substrate orientation when polarisation effects are critical and when the user is looking for a cleavage plane or wants to avoid one.
An X-ray diffraction analysis service that employs X-ray goniometry to identify and document differences in the orientation of single-crystal materials has been introduced by Meller Optics, of Providence, Rhode Island.
Meller Optics’ X-Ray Goniometry Service measures a specific sample plane of a single-crystal material and provides a flat reference with accuracy on the order of 0.5-3 min. to assure more accurate outcomes of experiments. Suitable for samples from 0.25” sq. and of materials such as sapphire and silicon, the firm can also correct a plane and provide a reference flat, if desired.
Performing sample plane measurements per customer specification, Meller Optics’ X-Ray Goniometry Service is typically necessary to validate orientation when the thermal expansion, thermal coefficient and the index of refraction have to be the same in all directions; when birefringence must be maximum or minimum; when polarisation effects are critical; and when the user is looking for a cleavage plane or wants to avoid one.
Meller Optics’ X-Ray Goniometry Service is priced from $150.00, depending upon customer requirements. Quotations are provided upon request.
MHI’s micro miller machines ultra-hard materials
The firm’s “microV1” can cut through silicon carbide and sapphire and saves production time and reduces costs by eliminating the photomasking process step.
Mitsubishi Heavy Industries (MHI) has successfully machined four types of extremely hard, difficult-to- cut wafer materials, including SiC and sapphire, using the company’s “µV1” micro milling machine.
The µV1 is able to create grooves and grids with 1 µm level accuracy on wafers by a cutting process only. In other words, various additional processes that are necessary when creating grooves and grids by photolithography or etching are not required. This enables significant reductions in production time and cost. MHI looks to expand sales of the
August/September 2011
www.compoundsemiconductor.net 177
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