• History

Corporate Overview and History


60 Years of combining diverse materials to deliver interconnect and material solutions that enable our customers’ success.

Sheldahl, A Flex Company, a US-based company, has been delivering reliable, flexible and printed electronics for over 60 years. Our state of the art equipment enables design for manufacture solutions, which helps to optimize your cost/benefit equation. Through vertical integration, we offer thin, lightweight electronics that will conform and adapt to the needs of your products form and use..

Combining Diverse Materials with Technology and Automation

Sheldahl has expanded its flexible circuit strong-hold by establishing a positive reputation for reliability, quality, and cost from Tier two, one, and OEMs in nearly every market around the world. Utilizing additive (printed),subtractive (etched) or hybrid technologies, we provide the required reliability in a cost-effective solution.

We combine:

  • Sensing
  • Power
  • Wireless Connectivity
  • Tracking
  • Monitoring
  • Lightweight
  • Dense Packaging
  • Thin
  • Biocompataible


  • 2018

    Operations of Multek in the U.S. and Philippines have been rebranded as Sheldahl Flexible Technologies Inc., a Flex Company. 


    Sheldahl, A Flex Company
  • 2015

    Q-Prime: A proprietary circuit technology with thermally conductive adhesive and a thin composite structure. 

    Q Prime
  • 2012

    Bus Bond® a family of insulation materials used as inner and outer layers in the production of laminated busbars is introduced to the market.

    Roll-to-Roll “PEDOT” (Poly(3,4-ethylenedioxythiophene)) screening printing offered to the marketplace.

    Bus Bond
  • 2007

    Sheldahl high volume roll-to-roll ITO patterning and screen printing capability is established

  • 2004

    Sheldahl is purchased by Multek

  • 2001

    Sheldahl provided the world’s first roll-to-roll of patterned ITO material for the display market.

  • 2000

    Sheldahl introduced a family of ITO films to the market under the trademark: ACCENTIA® 

    Sheldahl introduced ComClad™ HF a family of high-frequency laminates designed for use in the wireless communications market.

  • 1994

    ViaGrid® was developed. A Novaclad® based microcircuit substrate with a pattern of either uniform or custom placed conductive holes.

  • 1993

    Novalink® a multilayer circuit constructed with Novaclad® or Novaflex® and Z-Link® adhesive was introduced to the market.

  • 1990

    Novaclad® a copper on film flexible material was introduced. The Novaclad® was produced by vapor depositing copper directly onto the surface of a polyimide film and then additional copper is plated to the desired thickness.

    flexible material
  • 1989

    Sheldahl introduced Z-Link® an inter-connective circuitry system based on an adhesive that conducts electricity only in the Z (vertical) axis.

    Z link
  • 1987

    .Sheldahl acquired Cirtel / Cirpak of Irvine, CA and Nashua Flexible Circuits of Nashua, NH from BMC’s Interconics.

  • 1984

    Sheldahl acquires Symbolic Displays Inc. of Irvine, CA to increase the scope and depth of our capabilities.

  • 1980

    Sheldahl patents unidirectional tape. A splicing system for the joining the butt ends to abrasive materials.

    abrasive materials.
  • 1977

    FLEXSWITCH®, a new line of membrane switches was introduced for use in office equipment and appliances.

    1977 Sheldahl
  • 1975

    The Viking unmanned spacecraft landed on Mars.The bioshield that kept the spacecraft sterile during its journey was built by Sheldahl and included the signatures of the Sheldahl employees that produced it.

  • 1974

    The company’s name was changed to Sheldahl, Inc. to make it easier to spell and pronounce the company name.

    comapny name


  • 1973

    Schjeldahl provides thermal control materials in response to an emergency repair needed on the Skylab. 

  • 1971

    Schjeldahl’s flexible circuits were used by Western Electric to produce the Trimline telephone.

  • 1965

    Pageos 5 a 100-ft diameter satelloon produced with Schjeldahl materials was launched. 

    Schjeldahl participated in the Voyager program.

  • 1964

    The satellite Pegasus was sent to orbit. The meteoroid detector panels were fabricated by Schjeldahl through vacuum deposition and lamination.

    aerospace & Defense
  • 1963

    Production of “Schjel-Flex”, a line of precision-etched flexible circuitry processed in roll-to-roll form using “Schjel-Clad” materials.

  • 1961

    ECHO II is fabricated using Schjeldahl materials.

  • 1960

    ECHO I the 100-foot passive satellite (“satelloon”) that was produced by Schjeldahl was launched.

    Company constructs a 540-foot long air-supported building which came to be known as the “Schjel-mile”


    ECHO -1
  • 1955

    Sheldahl was established as G.T. Schjeldahl Company by Gilmore T. “Shelly” Schjeldahl. The newly formed company produced bag-making machines. image1

    G.T. Schjeldahl