LDRD 10729 Ultra Miniaturization of RF using Microwave Chip on Flex Technology, FY02 Final Report

One of 72 reports in the series: Fiscal Year 2002 available on this site.

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Description

This report describes the activities on the ''Ultra Miniaturization of RF'' project conducted as part of Sandia's Laboratory Directed Research and Development (LDRD) program. The objective was to evaluate a multichip module technology known as Microwave Chip on Flex (MCOF) [1], which is a newer form of the standard high density interconnect (HDI) technology originally developed by General Electric and Lockheed Martin [2,3]. The program was a three-year effort. In the first year, the team focused on understanding the technology and developing a basic design library. In the second year, devices and interconnects used at L, X, and Ku frequency ... continued below

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41 pages

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SANDOVAL, CHARLIE E.; WOUTERS, GREGG A. & SLOAN, GEORGE R. March 1, 2003.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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  • Main Title: LDRD 10729 Ultra Miniaturization of RF using Microwave Chip on Flex Technology, FY02 Final Report
  • Series Title: Fiscal Year 2002

Description

This report describes the activities on the ''Ultra Miniaturization of RF'' project conducted as part of Sandia's Laboratory Directed Research and Development (LDRD) program. The objective was to evaluate a multichip module technology known as Microwave Chip on Flex (MCOF) [1], which is a newer form of the standard high density interconnect (HDI) technology originally developed by General Electric and Lockheed Martin [2,3]. The program was a three-year effort. In the first year, the team focused on understanding the technology and developing a basic design library. In the second year, devices and interconnects used at L, X, and Ku frequency bands were evaluated via a test coupon (with no application specific circuit design). In the third year, we designed, fabricated, and evaluated a specific Ku-band circuit. The circuit design and layout was performed by Sandia, and the module fabrication was performed by Lockheed Martin Government Electronic Systems. In MCOF technology [1], bare die are placed face down on an adhesive backed flex circuit. The first level of the circuit is a pre-patterned titanium copper thin film metal system on a polyimide dielectric material. The complete module is then framed and filled with an epoxy encapsulant. The module is flipped and via holes are laser drilled through subsequent interconnect layers. Each addition layer is adhered to the top of the module and laser drilling repeated. The baseline design consisted of the original pre-patterned layer plus two additional metal layers. The base of the module is then machined so the heat spreader and frame are planar for a good thermal and electrical connection to the next assembly. This report describes the efforts conducted to evaluate the technology and its applicability to Sandia RF systems.

Physical Description

41 pages

Source

  • Other Information: PBD: 1 Mar 2003

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  • Report No.: SAND2003-0750
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/809618 | External Link
  • Office of Scientific & Technical Information Report Number: 809618
  • Archival Resource Key: ark:/67531/metadc734204

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • March 1, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • Oct. 18, 2016, 1:01 p.m.

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SANDOVAL, CHARLIE E.; WOUTERS, GREGG A. & SLOAN, GEORGE R. LDRD 10729 Ultra Miniaturization of RF using Microwave Chip on Flex Technology, FY02 Final Report, report, March 1, 2003; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc734204/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.