Abstract:
A pipeline accessing method to a large block memory is described. The large block flash memory has a plurality of pages and each page has a plurality of sectors. The memory device has a controller to control an access operation between a host and a cell array of the large block flash memory with a page buffer. The controller includes at least two buffers, when the host intends to program the memory device. In the method, data sectors are transferred between the host and the large block flash memory by alternatively using the buffers. After transferring N data sectors with respect to one page, a start program command is issued by the controller for programming the data.
Abstract:
A memory array device has a plurality of gate structure lines, adjacently disposed over a substrate along a direction, wherein at least a portion of the gate structure lines have memory function. A plurality of first doped regions, in the substrate at a side of a first line of the gate structure lines. A plurality of second doped regions, in the substrate at a side of a last line of the gate structure lines. Wherein the first doped regions and the second doped regions respectively for a plurality of pairs of doped region with respect to a plurality of bit lines. In other words, the conventional source/drain regions for each memory cell are saved. Instead, the gate lines are adjacently disposed together.
Abstract:
A non-volatile memory array structure, comprising a plurality of first transistors, serving for memory function, being arranged to have a plurality of columns and a plurality of first rows. The first transistors in each column are coupled in series, and adjacent two of the columns are grouped into a memory group using a common bit line. The gate electrodes of the first transistors in the same first row are coupled with a first sequence word line. A plurality of second transistors are also included. Each of the second transistors is coupled between two columns of the memory group and is adjacent to each of the first rows. The second transistors form a plurality of second rows, wherein gate electrodes of the second transistors in the same second row are coupled to a second sequence word line.
Abstract:
A MEMS microphone includes a substrate. A dielectric layer is disposed on the substrate, having an opening and includes: indent region surrounding the opening; pillars extending from an indent surface at the indent region to the substrate; and an outer part surrounding the indent region and disposed on the substrate. A signal sensing space is created at the indent region between the pillars and between the pillars and the outer part. A first electrode layer is disposed on the indent surface of the dielectric layer. A second electrode layer is disposed on the substrate. A sensing diaphragm is held by the dielectric layer, including two elastic diaphragms supported by the dielectric layer; and a conductive plate between the first elastic diaphragm and the second elastic diaphragm. The conductive plate has a central part embedded in the holding structure and a peripheral part extending into the signal sensing space.
Abstract:
The invention provides a MEMS microphone. The MEMS microphone includes a substrate, having a first opening. A dielectric layer is disposed on the substrate, wherein the dielectric layer has a second opening aligned to the first opening. A diaphragm is disposed within the second opening of the dielectric layer, wherein a peripheral region of the diaphragm is embedded into the dielectric layer at sidewall of the second opening. A backplate layer is disposed on the dielectric layer and covering over the second opening. The backplate layer includes a plurality of acoustic holes arranged into a regular array pattern. The regular array pattern comprises a pattern unit, the pattern unit comprises one of the acoustic holes as a center hole, and peripheral holes of the acoustic holes surrounding the center hole with a same pitch to the center hole.
Abstract:
A structure of micro-electro-mechanical-system (MEMS) microphone package includes a packaging substrate and an integrated circuit disposed on the packaging substrate. In addition, a MEMS microphone is disposed on the packaging substrate, wherein the MEMS microphone is electrically connected to the integrated circuit. A conductive adhesion layer is disposed on the packaging substrate, surrounding the integrated circuit and the MEMS microphone. A cap structure has a bottom part being adhered to the conductive adhesion layer. An underfill layer is disposed on the packaging substrate, covering an outer side of the conductive adhesion layer.
Abstract:
A method for releasing a diaphragm of a micro-electro-mechanical systems (MEMS) device at a stage of semi-finished product. The method includes pre-wetting the MEMS device in a pre-wetting solution to at least pre-wet a sidewall surface of a cavity of the MEMS device. Then, a wetting process after the step of pre-wetting the MEMS device is performed to etch a dielectric material of a dielectric layer for holding the diaphragm, wherein a sensing portion of the diaphragm is released from the dielectric layer.
Abstract:
A MEMS microphone package device includes a MEMS microphone chip as an integrated circuit chip. An acoustic sensing structure is embedded in the integrated circuit chip. An adhesive structure adheres on outer sidewall of the microphone chip. A bottom portion of the adhesive structure protrudes out from first surface of the microphone chip and adheres on a surface of a substrate, having interconnection structure, to form a first seal ring. A space between the acoustic sensing structure and the substrate and sealed by the first seal ring forms a second chamber. A cover adheres to top portion of the adhesive structure, covering over the cavity on the second surface of the microphone chip. The top portion of the adhesive structure forms as a second seal ring. A space between the cover and the second surface of the microphone chip and sealed by the second seal ring forms a first chamber.
Abstract:
A method to protect an acoustic port of a microelectromechanical system (MEMS) microphone is provided. The method includes: providing the MEMS microphone; and forming a protection film, on the acoustic port of the MEMS microphone. The protection film has a porous region over the acoustic port to receive an acoustic signal but resist at least an intruding material. The protection film can at least endure a processing temperature of solder flow.
Abstract:
A control method and an allocation structure for a flash memory device are provided herein. The flash memory device has a first memory module and a second memory module. Physical blocks of the first memory module and physical blocks of the second memory module are respectively divided into a plurality of groups, each of which has a plurality of the physical blocks. A first subunit and a second subunit of a first allocation unit are interleavingly written into a first group of the groups of the first memory module and a second group of the groups of the second memory chip respectively. Additionally, a first subunit and a second subunit of a second allocation unit are interleavingly written into a third group of the groups of the first memory module and the second group, respectively.