LED Wafering Process - Brochure

Boule CoringHigh-Performance Specialty Products Two-component temporary adhesive securely bonds sapphire crystal boules to polymer mount-ing beams for the coring process. Rapid bond strength and cure time.Epoxy Adhesives - Polymer Mounting Beams - Formulated DetergentsVALTRON AD1339-A / AD3939-B Epoxy Mounting AdhesiveVALTRON AD1238-A / AD3846-BREpoxy Mounting AdhesiveWire Saw WaferingVALTRON AD4010-A / AD4015-BHeat Release Epoxy Systemwww.valtechcorp.comTwo-component heat release adhesive securely bonds cored sapphire crystal rods to polymer mounting beams for rough end cropping. Easily debonds from crystaline rods with hot water or VALTRON detergent solution.Adhesive system that securely bonds sapphire crystal rods to polymer mounting beams for wire saw wafer slicing. Provides fast bond strength and is easily removed from sliced wafers with VALTRON DP164 detergent solution.VALTRON AD6020-A / AD3830-BQuick Cure AdhesiveQuick cure adhesive system that offers a cure time of 3-7 minutes at room temperature, provid-ing excellent bonding to mounting surface for sapphire crystal coring and wafering.Coring & WaferingIngot Rough CroppingVALTRON adhesives, mounting fixtures and detergents improve manufacturing yields for processing sapphire ingots into wafers for small LEDs.Wafer cleaning solutions on back page.2113 Sanatoga Station Road, Pottstown, PA 19464 USAP: 610-705-5900 • F: 610-705-0300For technical service call or e-mail: technicalservices@valtechcorp.comwww.valtechcorp.com CERTIFIEDISO 9001 : 2008REACH EC 1907/2007TB-LEDWaferingProcess, Rev. B, 6/13/2012is a registered trademark of Valtech CorporationPost Polish CleaningVALTRON SP2560 High Temperature Wafer Cleaning Detergent High-purity, high-strength alkaline detergent can be used as an alternative to highly caustic KOH solutions. Effective for use in high temperature cleaning systems for removing slurry, particulates and residual adhesives. VALTRON DP188 Wafer Polishing Slurry Removal Detergent High-purity, low surface tension alkaline detergent quickly and effectively removes slurries and other contaminants. Leaves no residue after rinsing.VALTRON SP2260 Pre-Lapping Wafer Cleaning Detergent Wafer Process & Final CleaningThis high-purity alkaline detergent effectively cleans LED wafers prior to the lapping process. Removes slurry, kerf and particulates, excellent cleaning and rinsability.Wax RemovalVALTRON SW4150 Spray Wash Detergent High-purity, low-foam alkaline detergent used in spray wash applications for final cleaning of LED wafers. Processed through 0.2 micron filtration, provides excellent cleaning and rinsability.VALTRON SP2260 Pre-Lapping Wafer Cleaning Detergent High-purity alkaline detergent effectively cleans LED wafers prior to the lapping process. Removes wax, slurry, particulates and residual adhesives. Excellent cleaning and rinsability.(ultrasonic/spray wash)(ultrasonic)(ultrasonic)Information herein is accurate to the best of our knowledge. Suggestions are made without warranty or guarantee of results. Before using, user should determine the suitability of the product for its intended use and user assumes the risk and liability in connection therewith. We do not suggest violation of any existing patents or give permission to practice any patented invention without a license. Contact your local Valtech sales representative for specific products and application requirements.