The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Integrated mica derives its name from the fact that it consists of numerous flakes of mica, which are held together by their own cohesive force so as to form a continuous sheet. The process begins at the mine, where mica schist or giant granite is crushed and the mica flakes removed. These are then washed and split in such a manner that the cohesive force between the laminae is retained. The flakes...
Although there is a record of the Westinghouse Company having applied for a patent, and possibly having made some tiny flakes of synthetic mica, the first sizable pieces were made by the Germans. Several pieces were produced that measured over four square inches. However, this appears to have been a rare occurrence, and the Germans never got out of the early experimental stages, and did not produce...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.