3D Electric Field Storage Using Laser Cell Excitation
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Solution Overview
Problem
As bit density increases in magnetic recording media, storage capacity becomes challenging due to reduced signal-to-noise ratio and increased susceptibility to information loss, making it difficult to maintain thermal stability and prevent data erasure.
Innovation Solution
A three-dimensional storage system using lasers to electrically alter and store information by changing the orientations and intensities of electric fields within cells, allowing for independent excitation and reading without affecting other cells, and utilizing transparent materials to minimize heat generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If bit density is increased in magnetic recording media, then storage capacity is improved, but signal-to-noise ratio deteriorates and susceptibility to information loss increases
Solution Approach 1:
The patent transitions from two-dimensional magnetic bit storage to three-dimensional electric field storage. Multiple storage cells are arranged in three-dimensional space, allowing data to be stored at different depths and locations within the storage medium. This dimensional expansion enables increased storage capacity while maintaining adequate signal-to-noise ratio through spatial separation of storage elements.
Solution Approach 2:
The patent changes the fundamental storage parameter from magnetic moment orientation to electric field characteristics. Each storage cell stores information by varying the orientation and intensity of electric fields rather than magnetic bits. This parameter change allows for multiple distinguishable states (different orientations and intensities) per cell, increasing storage capacity while improving reliability through electrical rather than magnetic storage mechanisms.
2Quantity of substance
If bits are made smaller and packed closer together, then storage density is improved, but thermal stability deteriorates and data erasure becomes more likely
Solution Approach 1:
By arranging storage cells in three-dimensional space rather than packing bits tightly in two dimensions, the patent achieves high storage density without compromising thermal stability. The three-dimensional arrangement provides spatial separation between storage elements, reducing thermal interference while maintaining high density through vertical and lateral distribution of cells.
Solution Approach 2:
The patent changes from magnetic bit storage to electric field-based storage cells. This parameter change enables more stable storage because electric field orientations and intensities can be maintained with better thermal stability compared to magnetic bits. The ability to vary both orientation and intensity provides multiple stable states that are less susceptible to thermal activation and spontaneous reversal.
3Productivity
If multiple cells are excited simultaneously, then writing speed is improved, but interference between cells increases
Solution Approach 1:
The patent employs selective excitation where only specific storage cells are excited at any given time based on the data writing requirements. Each cell can be independently addressed and excited without affecting neighboring cells. This local quality approach allows parallel processing of multiple cells while minimizing interference, as the excitation is localized to precisely the cells that need to be written to.
Solution Approach 2:
The storage medium is divided into multiple independently addressable storage cells arranged in three-dimensional space. This segmentation allows individual cells or groups of cells to be excited and written to separately. By segmenting the storage space and enabling independent cell addressing, the system achieves high writing speed through selective parallel operations while preventing interference between non-selected cells.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach significantly increases storage capacity beyond conventional binary systems by varying electric field orientations and intensities, enhancing data retention and reducing interference, while maintaining low heat production.
Implementation Method 1
The excitation circuit is configured to excite each cell of the plurality of cells independent from one another during excitation period associated therewith. Exciting a cell during the excitation period changes an optical property of the cell being excited.
Implementation Method 2
The emitter is configured to emit a first beam onto a first cell being excited during a first excitation period to orient electrical charges within the first cell to a first oriented value and intensity of electric field associated therewith to a first intensity value.
Data Source
AI summary
The system includes a data storage medium comprising cells, an excitation circuit, and an emitter. The cells arranged in a three dimensional space. The excitation circuit excites each cell independently. Exciting a cell changes an optical property of the cell. The emitter emits a first beam onto a first cell during a first excitation period to orient electrical charges within the first cell to a first oriented value and intensity of electric field to a first intensity value. The emitter emits a second beam onto a second cell during a second excitation period to orient electrical charges within the second cell to a second oriented value and intensity of electric field to a second intensity value. The first and second cells maintain the first and the second oriented values and the first and second intensity values after the first and second excitation periods are over, respectively.