- 1941
- Perfection Mica Company formed to meet war-related demand for wafer-thin Mica.
- 1943
- Mica's properties expands usage, demand; world's largest Mica mine in South Dakota employs more than 300.
- 1948
- Electronic circuits require means of shielding components from magnetic fields. Television picture tubes (Cathode Ray Tubes - CRTs) need external shields to prevent "jitter".
- 1954
- Perfection Mica changes name, focus to Magnetic Shield Corporation
- 1955
- Magnetic Shield Corporation granted trademark status for NETIC® and CO-NETIC AA® alloys.
- 1959
- CO-NETIC AA magnetic shields protect James Van Allen's experiments on the Explorer IV satellite that discovers the Van Allen Belt.
- 1965
- Glenn Powers passes away. Son James assumes control of Perfection Mica, Magnetic Shield Corporation.
- 1968
- Magnetic Shield breaks ground in Bensenville, IL facility.
- 1969
- Man walks on the moon; accompanied by Magnetic Shield container designed to safely transport moon rock samples.
- 1973
- Watergate Affair ends President Nixon's term; requires protective Magnetic Shield audio tape carrier/storage container.
- 1993
- Gulf War triggers military efforts to "harden" electronics to EMF surges (ebombs). Magnetic Shield supplies Inter-8 shielded cable for Air Force One project.
- 1999
- Work on STREAK camera to capture fusion of Hydrogen to Helium process; requires specialized Magnetic Shields for University of Rochester lab.
- 2006
- 65th anniversary of Magnetic Shield Corporation, Perfection Mica Company
©1997-2008 Magnetic Shield Corp.