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Thin film device and a method of providing thermal assistance therein

a thin film and thermal assistance technology, applied in the direction of galvano-magnetic devices, digital storage, instruments, etc., can solve the problems of exacerbated problems, the current(s) needed to switch the magnetization orientation is too high to maintain the cost advantage of the implementation of the mram device, etc., to achieve the effect of improving the accuracy and performance of the thin film devi

Inactive Publication Date: 2005-08-25
NICKEL JANICE H +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] A thin film device and a method of providing thermal assistance therein is disclosed. Accordingly, a heater material is utilized to thermally assist in the operation of the thin film device. By utilizing a heater material to thermally assist in the operation of the thin film device, a substantial improvement in the accuracy and performance of the thin film device is achieved.

Problems solved by technology

However, the magnitude of the current(s) needed to switch the magnetization orientation is too high to maintain the cost advantage of the implementation of the MRAM device.
Furthermore, as technology develops, this problem will be exacerbated.

Method used

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Embodiment Construction

[0020] The present invention relates to a thin film device and a method providing thermal assistance therein. The following description is presented to enable one of ordinary skill in the art to make and use the invention and is provided in the context of a patent application and its requirements. Various modifications to the embodiments and the generic principles and features described herein will be readily apparent to those skilled in the art. Thus, the present invention is not intended to be limited to the embodiment shown but is to be accorded the widest scope consistent with the principles and features described herein.

[0021] As shown in the drawings for purposes of illustration, a thin film device and a method of providing thermal assistance therein is disclosed. Accordingly, a heater material is utilized to thermally assist in the operation of the thin film device. By utilizing a heater material to thermally assist in the operation of the thin film device, a substantial imp...

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Abstract

A thin film device and a method of providing thermal assistance therein is disclosed. Accordingly, a heater material is utilized to thermally assist in the operation of the thin film device. By utilizing a heater material to thermally assist in the operation of the thin film device, a substantial improvement in the accuracy and performance of the thin film device is achieved. A first aspect of the present invention is a thin film device. The thin film device includes at least one patterned thin film layer, a heater material coupled to the at least one patterned thin film layer for providing thermal assistance to the at least one of the patterned thin film layers and a conductor coupled to the heater material for supplying energy to the heater material.

Description

FIELD OF THE INVENTION [0001] The present invention relates generally to thin film devices and more particularly to a thin film device and a method of providing thermal assistance therein. BACKGROUND OF THE INVENTION [0002] Thin film devices comprising device layers deposited on CMOS substrates are well-known. Such a thin film device is manufactured by stacking a plurality of device layers in order on a substrate. Such devices include memory elements, sensors, emitters, etc. [0003] Consider the example of an MRAM thin film device including a resistive cross point array of spin dependent tunneling (SDT) junctions, word lines extending along rows of the SDT junctions, and bit lines extending along columns of the SDT junctions. Each SDT junction is located at a cross point of a word line and a bit line. The magnetization of each SDT junction assumes one of two stable orientations at any given time. These two stable orientations, parallel and anti-parallel, represent logic values of ‘0’...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G11C11/14H01L27/105G11C11/16H01L21/8229H01L21/8246H01L27/22H01L29/76H01L29/82H01L43/00H01L43/08
CPCG11C11/16H01L43/08H01L27/222G11C11/1675H10B61/00H10N50/10
Inventor NICKEL, JANICE H.BHATTACHARYYA, MANOJ K.PERNER, FREDERICK A.
Owner NICKEL JANICE H
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