Johnson Matthey Increases Capacity for Fine-Hole Micromachining

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Johnson Matthey announces the completion of a major expansion and 5x increase in volume capacity for fine-hole micromachining of medical component parts. Using advanced micro-machining technology, these component parts actually exceed precision micro demands of the medical device industry.

Johnson Matthey (JM), (http://www.jmmedical.com/) a leading provider of micromachined medical component parts (http://www.jmmedical.com/metals/63/Micromachined-Parts.html) made of platinum and other precious metal alloys, has completed a major expansion to increase the volume capacity for fine-hole micromachining. This most recent expansion improves JM’s ability to machine intersecting or cross-holes in various configurations. The complex array of fine holes is used for advanced medical applications such as electrophysiology catheters with irrigated tips. The fine holes facilitate uniform cooling during procedures. Other unique uses are emerging as medical device companies begin to take advantage of this advanced machining technology.

Johnson Matthey machines holes as small as 0.003” diameters without burrs or other imperfections, while producing an extremely high yield which helps to reduce waste and provide the most value to OEM customers. Using enhanced machining technology, Johnson Matthey produces surface finishes down to 5 microns, and eliminates or minimizes random tool marks, dings and dents, and there is no foreign material visible at a 10-times magnification. Using the fine-hole capabilities helps Johnson Matthey exceed the precision micro-component demands of the medical device industry by maintaining dimensional tolerances from 0.005 in. to 0.0002 in., concentricity to 0.001 in., edge breaks and corner radius/fillets from 0.002 to 0.005 in. and burr tolerances to below 0.0005 in.

Customer requirements for very precise, small parts are increasing in demand and complexity. Johnson Matthey’s accumulated experience with machining of platinum and related precious metals provides customers with fast response and high volume supply at micron level tolerances. The machining technology reduces cycle times while providing enhanced quality and superior surface finishes.

According to General Manager, Brian Woodward, “Our continued investment in technology and innovation is providing enhanced capabilities that meet the supply chain expectations and high quality standards of the medical device industry”.

Johnson Matthey will be exhibiting (Booth #2321) at the upcoming Medical Device Manufacturing (MD&M) tradeshow in Anaheim, CA on February 8-10, 2011.

Johnson Matthey provides Platinum Group Metals (PGM’s) and Nitinol (http://jmmedical.com/nitinol.html) for use by medical device manufacturing facilities. Raw materials, precious metal tube and wire manufacturing originate in the company’s West Chester, Pennsylvania facility as well as its UK facility. Nitinol tube, wire, sheet and machined parts are manufactured in the San Jose, CA plant and micromachining operations take place in San Diego. Johnson Matthey offers global distribution through multi-country sales locations. More information can be attained by visiting the Johnson Matthey website at http://www.jmmedical.com

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David Vincent
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