Patent classifications
G11C13/0016
Method for writing data in DNA based memories
A method for writing data including a sequence of bits, the data being written in a form of DNA, by in-vitro enzymatically producing memory DNA from a strand of memory writing substrate DNA is disclosed. In one aspect, the method includes repeating of: receiving a sub-sequence of the sequence of bits, the sub-sequence including at least one bit; selecting memory nucleotides based on the sub-sequence; contacting, in liquid medium including the strand of memory writing substrate DNA contacted with an enzyme, the selected memory nucleotides and the enzyme; and synthesizing a portion of the memory DNA from a portion of the strand of memory writing substrate DNA by the enzyme and at least one of the memory nucleotides of the solution, thereby producing memory DNA including memory nucleotides corresponding to bits of the sequence of bits. The disclosed technology further relates to a micro-fluidic system including a microfluidic chip and a controller.
Cross-Point Array of Polymer Junctions with Individually-Programmed Conductances
Programmable memory devices having a cross-point array of polymer junctions with individually-programmed conductances are provided. In one aspect, a method of forming a memory device includes: forming first metal lines on an insulating substrate; forming polymeric resistance elements on the first metal lines; and forming second metal lines over the polymeric resistance elements with a single one of the polymeric resistance elements present at each intersection of the first/second metal lines forming a cross-point array. A memory device and a method of operating a memory device are also provided.
Systems and methods for writing and reading data stored in a polymer
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.
ELECTRONIC SWITCHING ELEMENT
An electronic switching element is described having, in sequence, a first electrode, a molecular layer bonded to a substrate, and a second electrode. The molecular layer contains compounds of formula I, R.sup.1-(A.sup.1-Z.sup.1).sub.r—B.sup.1—(Z.sup.2-A.sup.2).sub.s-Sp-G, wherein A.sup.1, A.sup.2, B.sup.1, Z.sup.1, Z.sup.2, Sp, G, r, and s are as defined herein, in which a mesogenic radical is bonded to the substrate via a spacer group, Sp, by means of an anchor group, G. The switching element is suitable for production of components that can operate as a memristive device for digital information storage.
Microswitch and electronic device in which same is used
Provided is a microswitch including a first electrode, a second electrode, and a porous coordination polymer conductor, in which the porous coordination polymer conductor is represented by the following Formula (1), and a metal forming the first electrode and a metal forming the second electrode have different oxidation-reduction potentials,
[ML.sub.x].sub.n(D).sub.y (1), where M represents a metal ion selected from group 2 to group 13 elements in a periodic table, L represents a ligand that has two or more functional groups capable of coordination to M in a structure of L and is crosslinkable with two M's, D represents a conductivity aid that includes no metal element, x represents 0.5 to 4 and y represents 0.0001 to 20 with respect to x as 1, n represents the number of repeating units of a constituent unit represented by [ML.sub.x], and n represents 5 or more.
MEMORY INCLUDING A SELECTOR SWITCH ON A VARIABLE RESISTANCE MEMORY CELL
Embodiments include but are not limited to apparatuses and systems including memory having a memory cell including a variable resistance memory layer, and a selector switch in direct contact with the memory cell, and configured to facilitate access to the memory cell. Other embodiments may be described and claimed.
METHOD FOR PRODUCING AN ELECTRONIC COMPONENT WHICH INCLUDES A SELF-ASSEMBLED MONOLAYER
The invention relates to a process for the production of an electronic component comprising a self-assembled monolayer (SAM) using compounds of the formula I
R.sup.1-(A.sup.1-Z.sup.1).sub.r—(B.sup.1).sub.n—(Z.sup.2-A.sup.2).sub.s-Sp-G (I)
in which the groups occurring have the meanings defined in claim 1; the present invention furthermore relates to the use of the components in electronic switching elements and to compounds for the production of the SAM.
Cross-point array of polymer junctions with individually-programmed conductances
Programmable memory devices having a cross-point array of polymer junctions with individually-programmed conductances are provided. In one aspect, a method of forming a memory device includes: forming first metal lines on an insulating substrate; forming polymeric resistance elements on the first metal lines; and forming second metal lines over the polymeric resistance elements with a single one of the polymeric resistance elements present at each intersection of the first/second metal lines forming a cross-point array. A memory device and a method of operating a memory device are also provided.
MICROSWITCH AND ELECTRONIC DEVICE IN WHICH SAME IS USED
Provided is a microswitch including a first electrode, a second electrode, and a porous coordination polymer conductor, in which the porous coordination polymer conductor is represented by the following Formula (1), and a metal forming the first electrode and a metal forming the second electrode have different oxidation-reduction potentials,
[ML.sub.x].sub.n(D).sub.y (1),
where M represents a metal ion selected from group 2 to group 13 elements in a periodic table, L represents a ligand that has two or more functional groups capable of coordination to M in a structure of L and is crosslinkable with two M's, D represents a conductivity aid that includes no metal element, x represents 0.5 to 4 and y represents 0.0001 to 20 with respect to x as 1, n represents the number of repeating units of a constituent unit represented by [ML.sub.x], and n represents 5 or more.
Memory device
A memory device may be provided that includes: a substrate; a coupling layer which is located on the substrate and has electrical conductivity; a meta-atomic layer which is located on or under the coupling layer; a memory layer which is located on the meta-atomic layer; and an electrode layer which is located on the memory layer and has electrical conductivity. The memory layer is composed of a material which produces spontaneous polarization at a voltage equal to or higher than a predetermined voltage. Through this, the memory device can be electrically driven and can continuously maintain modulated optical characteristics. Also, the memory device according to the embodiment of the present invention can modulate optical characteristics by multiple electrical inputs.