Technology file

Glob top dispensing to protect chip and wire bonds
Glob top dispensing to protect chip and wire bonds

Technology

Glob Top is a technique where a measured volume of specially formulated resin is deposited over a chip and its wire bonds. The resin provides mechanical support and excludes contaminants and residues, which could disrupt circuit operations by e.g. corrosion.

Expertise

Using its expertise in selection materials, dispense equipment and application-specific processing, the Microtechnology Section provides the following services:

  • Troubleshooting and advice on best practice
  • Guidance on selection of appropriate materials
  • Technical support in pre- and post-glob top processing
  • NDT analysis to support glob top processing
  • Tailored training courses

Project Work

Project work and consultancy activities have included:

  • Dispense, flow and cure characterisation studies
  • Measurement of electrical properties
  • Accelerated ageing tests
  • Detection of moisture and its ingress in materials
  • De-capsulation of glob top materials for failure analysis

If you require further information please email to micro@twi.co.uk.

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