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DELO Unveils Glob Top Adhesives with Special Flow Properties

Published on 2016-08-30. Author : SpecialChem

WINDACH -- DELO has developed new glob top adhesives featuring optimized flow properties. They allow chips, for example in MEMS sensors, to be coated in a uniform thickness of less than 100 µm that does not extend beyond the chip edges.

Protect a Chip using DELO Heat-curing Acrylates


DELO Unveils Glob Top Adhesives
DELO Unveils Glob Top Adhesives

Increasing miniaturization in microelectronic packaging gives rise to new demands on the glob top materials used. For example, manufacturers of mobile phones are now demanding a maximum thickness of 0.6 mm for MEMS packages. That means that the die coating materials used to protect the chip upper side have to be as flat as possible. The use of DELO heat-curing acrylates yields convincing results, especially when a uniform and reliable coating that does not flow beyond the chip edges is to be applied to the upper side of chips.

Benefits of Glob Top Adhesives:

  • It has a low viscosity and special flow properties.
  • It can be processed efficiently by jetting and, compared to conventional die coating materials, make it possible to achieve a homogenous flat surface with a layer thickness of less than 100 µm using just a few drops.
  • The high flexibility (shore hardness A60) reducing the risk of stresses in the chip and the wires.

Advantages of Black Coated Adhesive:

  • Protects and preserves the chip surface but also covers its logic structures.
  • Perfectly covers the chip corners where the layer is particularly thin.
  • The optimized flow properties allow a wide range of chip sizes to be coated.
About DELO

DELO is a leading manufacturer of industrial adhesives with its headquarters in Windach near Munich, Germany, and subsidiaries in the USA, China and Singapore. In the fiscal year 2016, 500 employees generated sales revenues of EUR 80 million – EUR 92 million are anticipated for 2017. The company supplies customized special adhesives and associated technology for high-tech industries such as automotive, aviation, optoelectronics, and electronics. DELO’s customers include Bosch, Daimler, Infineon, Osram, Siemens and Sony.

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Source: DELO
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