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Digital Printing of Optical Components

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The use of direct write micro-printing for opto-electronic packaging is being accepted as a key enabling technology, specifically printing microlenses for optical interconnects and solders for electrical interconnects. This paper presents these two areas where micro-printing technology benefits opto-electronic packaging. For increasing light coupling efficiency, a microlens array is actively aligned and attached to a VCSEL array and photodiode array in smart pixel technology. A microlens array is also directly integrated with a VCSEL array in a wafer level fabrication. Solder jet is used for either bumping the VCSEL die or for directly connecting the VCSEL die with circuits on a substrate. By using micro-printing, components can have less part-count and smaller package size. The labor required for conventional optical alignment can be greatly reduced. Thus this technical advancement offers also cost effectiveness in manufacturing.
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Document Type: Research Article

Publication date: 01 January 2006

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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