Abstract:
A semiconductor device is provided, in which it becomes easy to reliably couple a plug conductive layer and a wiring layer located over the plug conductive layer to each other and falling of the wiring can be suppressed. The plug conductive layer contacts a source/drain region formed over a major surface of the semiconductor substrate. A contact conductive layer is formed so as to contact both the upper surface and the side surface of the plug conductive layer. Wiring layers are formed over the contact conductive layer so as to be electrically coupled to the contact conductive layer.
Abstract:
The semiconductor device includes a bit line, a word line intersecting the bit line, a plurality of first contact patterns, and a plurality of second contact patterns. The word line extends so as to intersect the bit line in plan view. Each of the first contact patterns is elongated in the direction in which the bit line extends in plan view. Each of the second contact patterns is elongated in directions inclined with respect to the respective directions in which the bit line and the word line extend in plan view. The first contact patterns and the second contact patterns are formed in the same layer over the main surface of a semiconductor substrate.
Abstract:
A semiconductor device includes a semiconductor substrate having a main surface, a gate electrode formed on the main surface of the semiconductor substrate, a side-wall oxide film formed on a side wall of the gate electrode, a first insulating layer formed on the gate electrode and containing silicon nitride, and a second insulating layer formed between the gate electrode and the first insulating layer and containing silicon oxide.
Abstract:
Provided are a semiconductor device in which the occurrence of a short circuit between a gate electrode and either of the source/drain regions of a transistor can be suppressed and a manufacturing method thereof. In the semiconductor device, a first insulating layer formed over the gate electrode and containing a silicon nitride has an upper surface having a depressed portion which is formed in a region over a second electrode layer of the gate electrode containing a silicide.
Abstract:
A semiconductor device which suppresses soft errors and functions as a non-volatile memory and a method for manufacturing the same. In the semiconductor device, a first non-volatile memory element and a second non-volatile memory element are electrically coupled to a first memory node and a second memory node through a first MOS transistor and a second MOS transistor respectively. A first capacitor and a second capacitor each have a storage node electrically coupled to the first memory node and the second memory node respectively and each have a cell plate to form a capacitance between the storage node and the cell plate.
Abstract:
An object of the invention is to provide a semiconductor device having less cracking or peeling and a method of manufacturing the same. A fuse portion of a semiconductor device has bit lines electrically coupled to a SRAM memory cell. The bit lines are covered by an interlayer insulating film. As the interlayer insulating film, a boron-doped BPTEOS film is formed. The bit lines have thereabove a fuse. The fuse and the bit lines are electrically coupled to each other via contact plugs. The interlayer insulating film that covers the bit lines therewith is separated from the contact plugs.
Abstract:
Variations in the contact area between contact plugs are suppressed to suppress fluctuations in contact resistance. In three third interlayer insulating films, a contact hole is self-alignedly formed to extend through the portions thereof interposed between two wiring portions and the portions thereof interposed between two gate wiring portions and reach a first polysilicon plug. In the contact hole, a second polysilicon plug is formed to come in contact with the first polysilicon plug.
Abstract:
Possible to form an opening having a sufficient opening diameter in a region sandwiched between a pair of bit lines and thereby provide a semiconductor device in which a high-quality contact using the opening is formed.The semiconductor device includes a first conductive layer, a first interlayer insulating film, a bit line, a first insulating film, a second interlayer insulating film, and a second conductive layer. The first insulating film that covers a side surface of the bit line has a portion perpendicular to a main surface of a semiconductor substrate in a region lower than a position lower than an uppermost portion of the first insulating film by a thickness, in a direction along the main surface of the semiconductor substrate, of the first insulating film that covers the side surface of the bit line at a lowermost portion of the bit line.