History

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

RFID
2004

Sheldahl is purchased by Multek

multek
2001

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

2001
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.

ACCENTIA
1994

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

Sheldahl
1993

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

Circuit
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.

bmc
1984

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

Sheldahl
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.

mars
1974

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

comapny name

 

Sheldahl
1973

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

Pipeline
1971

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

telephone
1965

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

Schjeldahl participated in the Voyager program.

Reliability
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.

consectetuer
1961

ECHO II is fabricated using Schjeldahl materials.

nasa
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