Laser Assisted Bonding Machines for Connecting of Material Surfaces

Most today’s Flip chip bonders are derived from modified surface mount equipment. This method of flip chip attach uses thermal energy to reflow the bumped chip to the substrate. The advantage of laser heating instead of direct thermal heating is given by high selectivity with an extremely good time control in the millisecond time range. Using localized laser heating mechanism, temperature can be applied selectively in the interconnection areas of interest without heating up the entire substrate up to the reflow temperature to liquefy and reflow an interconnection of a few microns. This is in contrast to infrared and convection ovens where the assembly process takes minutes. By using the laser to reflow the solder bumps, the thermal stress induced in the package and on the substrate is minimized allowing implementation of new substrates and new IC’s which are thermally more sensitive. Our unique temperature control mechanism protects single chip or component from being over-heated and prevents substrate from warpage and repeating reflow circumstances.

Process cycle times are improved by the equipment concept of performing chip placement and assembly reflow simultaneously and the absence of long heating and cooling cycles of standard TCB bonder systems. Beside of this the process capability for ACF, NCP and solder interconnection techniques illustrates the high flexibility of the laser heating process.

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Laser Assisted Bonding Service

Laser Assisted Bonding Equipment


LaPlace – HT

The LaPlace-HT is an automatic Laser Soldering machine for assembly of e.g. Schottky Diodes and Bypass Diodes – especially for solar cell modules.


LaPlace – Can

Ultra-Fine-Pitch Cantilever Assembly and Laser Bonding for Wafer Probe Cards with optional Rework Capability.


LaPlace – VC

The LaPlace-VC laser bonder is a system for the vertical attachment of chips or similar devices loaded into the machine in wafer packs.


LaPlace – FC

The LaPlace-System provides an integrated solution for flip chip assembly for laser assisted soldering, ACF and NCP interconnections.