A file structure employed in a flash electrically erasable and programmable read only memory ("EEPROM") system and aspects of forming and using certain data fields within such a file structure. An array of rows and columns of EEPROM memory cells is divided into blocks of cells that are separately addressable...http://www.google.com.tw/patents/US5471478?utm_source=gb-gplus-share專利 US5471478 - Flash EEPROM array data and header file structure