Inseto

Silicon Wafer Manufacturing

Silicon wafer manufacturing requires precise handling and processing to ensure high yield and minimal damage.

Silicon Wafers

What do Silicon Wafer Manufacturing Adhesives do?

DELO-DUOPOX two-part epoxy adhesives provide a reliable, removable bonding solution for securing silicon ingots to glass substrates during the wafer slicing process.

Cutting individual wafers from silicon ingots is a delicate operation, as the ingot needs to be held in such a way that the silicon is not damaged. This is achieved by using a removable DELO-DUOPOX two-part epoxy to bond the ingot onto a glass substrate.

After the adhesive is cured, the ingot is cut into the individual wafers by an EDM process. The adhesive is then removed by immersing the assembly into a 15% formic acid solution, at 80C, for three minutes. This ensures optimal yields for the wafers.

DELO-DUOPOX Key Features

  • Fast curing at room temperature
  • Low-high viscosities and gap-fill versions available
  • Uniform stress distribution with long-term durability
  • Excellent adhesion to similar and dissimilar substrates

Why DELO-DUOPOX?

  • Uniform Stress Distribution: Minimises mechanical stress during cutting, reducing breakage and improving yield
  • Secure Bonding: Holds the silicon ingot firmly in place during EDM (electrical discharge machining) slicing.
  • Fast Curing: Cures quickly at room temperature, streamlining production.
  • Removable: Easily dissolved in a 15% formic acid solution at 80°C for three minutes, leaving no residue and preserving wafer integrity.
  • Versatile Viscosity Options: Available in low to high viscosities and gap-filling versions to suit different ingot geometries.
Oxidised Semiconductor Wafers

Got a Question About Silicon Wafer Manufacturing Adhesives?

Whether you’re developing a new product or refining an existing process, Inseto’s team of experts is here to help.

From selecting the right adhesive to optimising your curing process, we provide technical guidance, documentation, and samples to support your application needs.

Knowledge Base Articles

Related Products

Further Information

Contact Us

Tel: +44 (0)1264 334505

Email: enquiries@inseto.co.uk

Applications

Bonding, Sealing, Encapsulation, Potting, Protection Against Vibration, Securing, Dam & Fill

Industry Segments

Microelectronic / Hybrid Assembly, Semiconductor Assembly / Back-end Assembly etc., Fibre Optics / Photonic Assembly, Microwave Electronics, OEM Equipment Manufacturers, Precision Components & Assemblies, PCB Assembly, Electronic Component / Device Assembly, Smart Cards, Smart Labels, RFID, Automotive Electronics etc.

Region

Available from Inseto in the United Kingdom & Ireland

Request Form