A typical linear encoder consists of a scanning unit and a scale. The scale is generally glass and is cemented to a support, usually an aluminum extrusion. The scanning unit contains a light source, ...

Renishaw (www.renishaw.com) has developed new linear encoders that feature a special stainless steel scale, ultralow ±30 nm cyclic error, patented filtering optics and ±4μm accuracy to deliver the ...

HEIDENHAIN’s new LIP 6000 miniature linear encoder system, consisting of a scanning unit and glass scale, has the unusual capability to measure to 2 nm resolution with high speed of 4m/sec at long ...

Featuring a postage-stamp-sized scanning unit along with high accuracy, Heidenhan’s incremental exposed linear encoders will likely fit the needs of stage manufacturers or anyone using linear motors ...