IP Library Granted Patent US 7,449,742
Granted Patent B2
US 7,449,742 · App. 11/642,477 · Granted Nov 11, 2008

Memory device with active layer of dendrimeric material

Assignee: Spansion LLC
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,449,742
App. No.
11/642,477
Granted
Nov 11, 2008
Kind
B2
Abstract

The present memory device includes first and second electrodes, a passive layer between the first and second electrodes; and an active layer between the first and second electrodes, the active layer being of dendrimeric material which provides passages through the active layer.

Claims (9)

1. A memory device comprising:

first and second electrodes;

a passive layer between the first and second electrodes; and

an active layer between the first and second electrodes, the active layer comprising material containing dendrimeric material.

2. The memory device of claim 1 wherein the active layer comprises conjugated organic dendrimeric material.

3. The memory device of claim 2 wherein the active layer comprises n-type polyphenyl vinylene isoquinoline.

4. The memory device of claim 2 wherein the active layer comprises phenyl vinyline-2,2′-bithionyl.

5. The memory device of claim 2 wherein the active layer comprises dendrimeric polyphenyl vinylene.

6. The memory device of claim 2 wherein the passive layer comprises copper sulfide.

Assignments (8)
CORRECTIVE ASSIGNMENT TO CORRECT THE 8647899 PREVIOUSLY RECORDED ON REEL 035240 FRAME 0429. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY INTERST. Recorded Nov 3, 2020
From: CYPRESS SEMICONDUCTOR CORPORATION; SPANSION LLC
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 058002/0470 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 14, 2016
From: CYPRESS SEMICONDUCTOR CORPORATION
To: MONTEREY RESEARCH, LLC
Reel/Frame 040911/0238 →
PARTIAL RELEASE OF SECURITY INTEREST IN PATENTS Recorded Aug 11, 2016
From: MORGAN STANLEY SENIOR FUNDING, INC., AS COLLATERAL AGENT
To: CYPRESS SEMICONDUCTOR CORPORATION; SPANSION LLC
Reel/Frame 039708/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2015
From: SPANSION, LLC
To: CYPRESS SEMICONDUCTOR CORPORATION
Reel/Frame 036039/0406 →
SECURITY INTEREST Recorded Mar 21, 2015
From: CYPRESS SEMICONDUCTOR CORPORATION; SPANSION LLC
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 035240/0429 →
RELEASE OF SECURITY INTEREST Recorded Mar 13, 2015
From: BARCLAYS BANK PLC
To: SPANSION LLC; SPANSION INC.; SPANSION TECHNOLOGY LLC
Reel/Frame 035201/0159 →
SECURITY AGREEMENT Recorded Jun 4, 2010
From: SPANSION LLC; SPANSION INC.; SPANSION TECHNOLOGY INC.; SPANSION TECHNOLOGY LLC
To: BARCLAYS BANK PLC
Reel/Frame 024522/0338 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 20, 2006
From: SOKOLIK, IGOR; KRIEGER, JURI; SHI, XIAOBO; KINGSBOROUGH, RICHARD; LEONARD, WILLIAM
To: SPANSION LLC
Reel/Frame 018713/0687 →
Continuity (1)
Related Publication 20080152934A1 · Jun 26, 2008