摘要:
A method for fabricating a buried strap forms a dielectric collar along sidewalls of a trench. The trench is formed in a substrate. The trench is filled with a conductive material and the conductive material is recessed in the trench to expose a portion of the collar. A masking layer is deposited in the trench over the exposed portion of the collar. A portion of the masking layer is removed over one side of the collar and a portion of the collar is etched on the one side. A buried strap is formed on the conductive material, which connects to the substrate on the one side.
摘要:
A method is disclosed for locating a particular small objects (down to submicron) within an array of periodically arranged like objects utilizing a scanning tool. The method includes scanning the array for generating a plurality of pulses, which correspond to these objects contained within the array. Counting the plurality of pulses in order to locate the particular object within the array.
摘要:
The anchoring cartridge for anchoring a fastening element in a drilled hole has two chambers. One chamber contains from 1.0 to 10% of a hardener component dissolved in a mixture of styrene and an unaccelerated radical-curing resin and the other chamber contains an accelerator mixed with another mixture of styrene and unaccelerated radical-curing resin. By including unaccererated radical-curing resin in both chambers a homogeneous curing of the components is ensured.
摘要:
A semiconductor Dynamic Random Access Memory (DRAM) cell is fabricated using a vertical access transistor and a storage capacitor formed in a vertical trench. A Shallow Trench Isolation (STI) region is used as a masking region to confine the channel region of the access transistor, the first and second output regions of the access transistor, and a strap region connecting the second output region to the storage capacitor, to a narrow portion of the trench. The so confined second output region of the access transistor has reduced leakage to similar second output regions of adjacent memory cells. Adjacent memory cells can then be placed closer to one another without an increase in leakage and cross-talk between adjacent memory cells.
摘要:
A memory cell for a dynamic random access memory includes a pass transistor and a storage capacitor. The transistor is a vertical transistor formed along an upper portion of a sidewall of a polysilicon-filled trench in a monocrystalline silicon body with the source and drain in the body and the source contact, gate and gate contact in the trench, with its gate dielectric being an oxide layer on the sidewall portion of the trench. The capacitor is a vertical capacitor formed along a deeper portion of the trench and has as its storage plate a lower polysilicon layer in the trench and as its reference plate a deep doped well in the body. The source contact and the storage plate are in electrical contact in the trench and the source contact and the gate contact are in the trench electrically isolated from one another.
摘要:
The present invention relates to the use of compounds of general formula (I) or of a salt thereof as anti-oomycetes and to a method for combating plant pathogens using said compounds.
摘要:
The present invention relates to the use of compounds of general formula (I) or of a salt thereof as anti-oomycetes and to a method for combating plant pathogens using said compounds.
摘要:
A memory cell is formed in a memory cell array comprised of a plurality of memory cells arranged in rows and columns. A deep trench structure is formed within a semiconductor substrate and includes at least one conducting region. A patterned bit line structure is formed atop of, and electrically isolated from, the insulating region of the deep trench structure and atop of, but contacting at least part of, regions of the semiconductor substrate. Exposed portions of the semiconductor substrate are etched to form at least one isolation trench adjoining the deep trench structure using the patterned bit line structure as an etch mask. The isolation trench is filled with a dielectric material. A contact region to the conducting region of the deep trench structure is formed within the dielectric material of the isolation trench and is electrically isolated from the bit line structure. A word line structure that connects to the contact region is formed and is at least partly atop of, but electrically isolated from, the bit line structure.
摘要:
A process for forming a silicon oxide-filled shallow trench on the active surface of a silicon chip starts with forming a trench in the silicon chip that has an upper portion with vertical side walls and a lower portion with tapered side walls. Then oxygen is implanted selectively into the walls of the lower portion of the trench and the chip is heated to react the implanted oxygen with the silicon to form silicon oxide. The rest of the trench is then filled with deposited silicon oxide, typically by depositing a layer of silicon oxide over the surface and then planarizing the deposited silicon oxide essentially to the level of the top of the trench. The silicon-filled shallow trench serves to divide the surface portion of the chip into discrete regions, each for housing one or more circuit components of an integrated circuit.
摘要:
Oblique web multiple surface panel boards are disclosed made of aromatic polycarbonates (PC), consisting of at least two boards arranged parallel to one another at a given distance apart and joined together by webs arranged between them, one portion of the webs connecting the upper and lower board in zigzag formation, viewed in cross-section, while the other portion of the webs is attached to the upper or lower board at the junctions of the oblique webs and extends perpendicularly towards the opposite board.