RAMTRON INTERNATIONAL CORPORATION
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- Mar 14, 2017 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 3,070 Total Citation Count
- Mar 24, 1980 Earliest Filing
- 71 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9595576 Enhanced hydrogen barrier encapsulation method for the control of hydrogen induced degradation of ferroelectric capacitors in an F-RAM processOct 14, 14Mar 14, 17[H01L]
7533231 Method and circuit for increasing the memory access speed of an enhanced synchronous memoryOct 13, 04May 12, 09[G06F]
5214300 Monolithic semiconductor integrated circuit ferroelectric memory deviceNov 27, 91May 25, 93[H01L, G11C, H01G]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2005/0122,765 Reference cell configuration for a 1T/1C ferroelectric memoryAbandonedNov 18, 04Jun 09, 05[G11C]
2004/0033,630 Charge pump or other charge storage capacitor including PZT layer for combined use as encapsulation layer and dielectric layer of ferroelectric capacitor and a method for manufacturing the sameAbandonedJul 15, 03Feb 19, 04[H01L]
2003/0227,809 Temperature-adjusted pre-charged reference for an integrated circuit 1T/1C ferroelectric memoryAbandonedJun 05, 02Dec 11, 03[G11C]
6661695 Capacitance sensing technique for ferroelectric random access memory arraysExpiredMay 01, 02Dec 09, 03[G11C]
2003/0212,935 Circuit and method for accelerating the test time of a serial access memory deviceAbandonedMay 09, 02Nov 13, 03[G11C]
2003/0071,294 Process and structure for masking integrated capacitors of particular utility for ferroelectric memory integrated circuitsAbandonedOct 30, 02Apr 17, 03[H01L]
6492673 Charge pump or other charge storage capacitor including PZT layer for combined use as encapsulation layer and dielectric layer of ferroelectric capacitor and a method for manufacturing the sameExpiredMay 22, 01Dec 10, 02[H01L]
6455326 Enhanced process capability for sputtered ferroelectric films using low frequency pulsed DC and RF power suppliesExpiredMay 15, 00Sep 24, 02[H01L]
6423592 PZT layer as a temporary encapsulation and hard mask for a ferroelectric capacitorExpiredJun 26, 01Jul 23, 02[H01L]
6281023 Completely encapsulated top electrode of a ferroelectric capacitor using a lead-enhanced encapsulation layerExpiredJan 11, 01Aug 28, 01[H01L]
6249841 Integrated circuit memory device and method incorporating flash and ferroelectric random access memory arraysExpiredDec 03, 98Jun 19, 01[G11C]
6238933 Polarization method for minimizing the effects of hydrogen damage on ferroelectric thin film capacitorsExpiredMay 06, 99May 29, 01[H01L]
6232153 Plastic package assembly method for a ferroelectric-based integrated circuitExpiredJun 04, 98May 15, 01[H01L]
6090443 Multi-layer approach for optimizing ferroelectric film performanceExpiredApr 22, 98Jul 18, 00[C23C]
6080499 Multi-layer approach for optimizing ferroelectric film performanceExpiredJul 18, 97Jun 27, 00[B32B]
6002634 Sense amplifier latch driver circuit for a 1T/1C ferroelectric memoryExpiredNov 14, 97Dec 14, 99[G11C]
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