The kurt j. Lesker company is a leading manufacturer of high and ultra-high (hv & uhv) vacuum chambers. We are recognized worldwide for specializing in both r&d and production environments. From smaller, spherical chambers several inches in diameter for r&d, to large box chambers over 14 long for production coatings, our expansive machine shop at our pittsburgh, pennsylvania facility is poised to service any and all of your custom vacuum chamber needs glass & metal bell jarscylindrical chambers spherical chambersbox chambers