Nanopore Polymer Memory Cells Using Chamber-Coded Data Writing
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Solution Overview
Problem
There is a growing need for stable and efficient data storage solutions that can store large volumes of data for extended periods without the instability issues faced by traditional media like hard drives, optical media, and magnetic tapes.
Innovation Solution
A nanopore-based memory system using polymer memory cells with multiple chambers, where data is stored by steering a polymer, such as DNA, through nanopores, allowing unique codes to be added based on digital data patterns, enabling efficient data storage and retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional data storage media (hard drives, optical media, magnetic tapes) are used, then data can be stored on physical media, but the data becomes corrupted after prolonged storage and the media are relatively unstable
Solution Approach 1:
The patent replaces traditional mechanical and magnetic storage systems with a chemical/biological system using DNA or synthetic polymers as the storage medium. Data is encoded into the molecular structure of the polymer through chemically stable bonds, eliminating the degradation issues inherent in magnetic and optical media. This substitution of storage mechanism fundamentally resolves the reliability-duration contradiction by using a chemically stable medium that can preserve data for centuries without corruption.
Solution Approach 2:
The patent changes the fundamental parameter of storage medium from traditional materials to polymer-based materials with superior chemical stability. By encoding data into the polymer structure and using stable chemical bonds, the system achieves both long-term durability and high reliability. The polymer's resistance to environmental degradation allows data to be maintained intact for extended periods, simultaneously improving both reliability and storage duration.
2Quantity of substance
If storage devices are made smaller to increase capacity, then storage density increases, but the amount of data stored needs to double every two years requiring ever-increasing capacity
Solution Approach 1:
The patent transitions from two-dimensional surface storage to three-dimensional molecular storage. By encoding data into the polymer's molecular structure through sequence information, the system achieves extremely high storage density within a compact volume. Each polymer molecule can store vast amounts of data through its sequence of monomers, enabling terabytes or petabytes of storage in a tiny physical footprint, thus resolving the capacity-size contradiction.
Solution Approach 2:
The patent utilizes the three-dimensional structure of polymer chains and their ability to pack densely in space. The polymer matrix provides a compact framework where data is stored along the length of the polymer chains, achieving extremely high volumetric storage density. This allows enormous data capacity to be contained within a very small physical volume, simultaneously increasing storage capacity while minimizing device size.
3Reliability
If nanopore-based polymer storage is used, then data can be stored stably for decades or centuries with high capacity, but the system requires complex nanopore devices and polymer manipulation infrastructure
Solution Approach 1:
The patent extracts and utilizes only the essential function of nanopores - as controlled access points for polymer translocation and reading. By focusing on this single critical function and developing specialized nanopore devices optimized for this purpose, the system achieves reliable data storage while keeping the device architecture relatively simple. The nanopore serves as a straightforward gateway for polymer manipulation without requiring complex mechanical systems.
Solution Approach 2:
The patent introduces polymer molecules as intermediaries between digital data and physical storage. The polymer acts as a stable carrier that can be manipulated through nanopores and processed using established biochemical techniques. This intermediary approach allows the system to leverage existing polymer synthesis and analysis infrastructure, reducing the need for entirely new complex device systems while maintaining high reliability and long-term stability.
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 provides a stable and high-capacity data storage solution that can maintain data integrity over decades or centuries, offering improved storage density and efficiency compared to traditional methods.
Implementation Method 1
A nanopore-based memory system using polymer memory cells with multiple chambers, where data is stored by steering a polymer, such as DNA, through nanopores
Data Source
AI summary
A system and method of storing and reading digital data, including providing a nanopore polymer memory (NPM) device having at least one memory cell comprising at least two addition chambers each arranged to add a unique chemical construct (or codes) to a polymer (or DNA) string when the polymer enters the respective addition chamber, the data comprising a series of codes; successively steering the polymer from deblock chambers through the nanopore into the addition chambers to add codes to the polymer to create the digital data pattern on the polymer; and accurately controlling the bit rate of the polymer using a servo controller. The device may have loading chamber(s) to load (or remove) the polymer into/from the deblock chambers through at least one “micro-hole”. The cell may be part of a memory system that stores and retrieves “raw” data and allows for remote retrieval and conversion. The cell may store multi-bit data having a plurality of states for the codes.