23 Jan 2009 Advanced Performance Optical Filters and Thin Film Coatings from Envin Scientific offer many advantages. Standard products and custom designs are available for the 300nm to 8 micron wavelength range. Envin Scientific Ltd, based near Chester, has for many years been manufacturing and supplying optical filters for use from the ultra violet to the far infrared. On-site manufacturing has enabled Envin to support customers by designing and prototyping new filter products using technology compatible with subsequent production.
Utilising different deposition techniques including a proprietary “Energetic Ion” deposition process Envin is able to offer many advantages to high precision filter users in the extensive wavelength range of 300-8000nm - excellent adhesion, hardness, durability and temperature stability – even with very thick and complex coatings involving hundreds of layers. | 
