A capacitor is constructed by a cylindrical lower capacitor electrode layer having uneven inner and outer surfaces, a capacitor insulating layer formed on the cylindrical lower capacitor electrode layer, and an upper capacitor electrode layer formed on the capacitor insulating layer....http://www.google.es/patents/US6307730?utm_source=gb-gplus-sharePatente US6307730 - Capacitor formed by lower electrode having inner and outer uneven surfaces
Capacitor formed by lower electrode having inner and outer uneven surfaces
