摘要:
A semiconductor device having a capacitor formed in a multilayer wiring structure, the semiconductor device comprising a multilayer wiring structure including a plurality of wiring layers formed on a substrate, a capacitor arranged in a predetermined wiring layer in the multilayer wiring structure and having a lower electrode, a dielectric film, and an upper electrode, a first via formed in the predetermined wiring layer and connected to a top surface of the upper electrode of the capacitor, and a second via formed in an overlying wiring layer stacked on the predetermined wiring layer, the second via being formed on the first via.
摘要:
A semiconductor device having a capacitor formed in a multilayer wiring structure, the semiconductor device comprising a multilayer wiring structure including a plurality of wiring layers formed on a substrate, a capacitor arranged in a predetermined wiring layer in the multilayer wiring structure and having a lower electrode, a dielectric film, and an upper electrode, a first via formed in the predetermined wiring layer and connected to a top surface of the upper electrode of the capacitor, and a second via formed in an overlying wiring layer stacked on the predetermined wiring layer, the second via being formed on the first via.
摘要:
A semiconductor device includes a first insulating film comprising an opening, a capacitor formed at a selected position in the opening, a second insulating film formed at least in the opening, and a third insulating film formed on the second insulating film.
摘要:
A resin sealed semiconductor device for use in testing is disclosed, in which a first MOS field effect transistor is formed in a region within 100 .mu.m from an outer perimeter of a main surface of a silicon substrate, and a second MOS field effect transistor is formed in a region 100 .mu.m or more distant from an outer perimeter of the main surface, and the first and second MOS field effect transistors are encapsulated with resin. Dimensions and materials of the first MOS field effect transistor and the second MOS field effect transistor are identical. By comparing the electric characteristics of the first MOS field effect transistor and the electric characteristics of the second MOS field effect transistor, the effect produced on the MOS field effect transistors by the mechanical stresses due to the resin seal applied from a side direction of silicon substrate can be evaluated.
摘要:
A resin sealed semiconductor device includes a semiconductor chip formed on a substrate and sealed with resin. A concave portion is formed on a major surface of a semiconductor substrate between an insulating film for isolation and an edge of the major surface of the semiconductor substrate. This concave portion is filled with a buffer member having an elastic modulus smaller than that of the material of the semiconductor substrate. Mechanical stress applied to an edge of the semiconductor substrate, caused by the callosity of resin, is absorbed and reduced by the buffer member. A portion of the semiconductor substrate between the concave portion and the insulating film for isolation prevents the remainder of the mechanical stress from being transmitted from the buffer member to the insulating film and circuit elements.
摘要:
A process of manufacturing a semiconductor device. The initial process steps are forming a first insulating film above a semiconductor substrate and removing a selected portion of the first insulating film to form an opening. The next step is depositing a first electrode, a dielectric film and a second electrode successively on a bottom portion of the opening, The deposits being oriented such that they are in substantially parallel relationship with a surface of the semiconductor substrate. The final steps are removing selected portions of the first electrode, the dielectric film and the second electrode, forming a capacitor at a selected position in the opening, forming a second insulating film at least in the opening, and forming a third insulating film on the second insulating film.
摘要:
In a semiconductor device, a first conductive film made of, for example, polysilicon is formed on the element region of the semiconductor substrate. An insulation film is formed on the semiconductor substrate, for covering at least the first conductive film. A second conductive film covers at least the end portion of the insulation film. The first conductive film is used as a gate electrode of the MOS transistor, and the second conductive film is used as a protection film for covering and protecting the end portion of the insulation film and a lead-out electrode of the bipolar transistor. The end portion of the insulation film is covered and protected by the second conductive film obtained by patterning the conductive layer made of, for example, polysilicon. Further, the conductive layer is patterned so that stepped portions formed on the insulation film and the end portion of the insulation film are covered, and using this pattern, anisotropic etching is carried out. Thus, formation of residue on the side-wall of the second conductive film, on the stepped portions formed as covering the first conductive film, can be avoided. In a later step, the pattern of the second conductive film which covers the stepped portion is removed by etching.
摘要:
In a content addressable memory (CAM) cell according to the present invention, a pair of non-volatile memory transistors hold data, whereby stored data will not disappear even if power is cut. Conducting terminals of these non-volatile transistors are connected to a bit line pair, so that the stored data can be directly read out from the bit line pair. Further, the invention CAM system converts the value of a current flowing in a match line into a voltage value to perform content reference, and hence the same can be employed as an associative memory system.
摘要:
There is disclosed a semiconductor device comprising at least one first insulating film provided above a substrate, being formed with at least one first recess having a first width, and being formed with at least one second recess having a second width which is 1/x (x: positive numbers larger than 1) a size of the first width and having a same depth as the first recess, a second insulating film provided at both sides of the first recess and at a lower part of the second recess, and a conductor provided inside of the second insulating films provided at the both sides of the first recess with extending from an opening of the first recess to a bottom surface thereof, and provided with extending from an opening of the second recess to an upper surface of the second insulating film provided at the lower part of the second recess.
摘要:
In a semiconductor device, a first conductive film made of, for example, polysilicon is formed on the element region of the semiconductor substrate. An insulation film is formed on the semiconductor substrate, for covering at least the first conductive film. A second conductive film covers at least the end portion of the insulation film. The first conductive film is used as a gate electrode of the MOS transistor, and the second conductive film is used as a protection film for covering and protecting the end portion of the insulation film and a lead-out electrode of the bipolar transistor. The end portion of the insulation film is covered and protected by the second conductive film obtained by patterning the conductive layer made of, for example, polysilicon. Further, the conductive layer is patterned so that stepped portions formed on the insulation film and the end portion of the insulation film are covered, and using this pattern, anisotropic etching is carried out. Thus, formation of residue on the side-wall of the second conductive film, on the stepped portions formed as covering the first conductive film, can be avoided. In a later step, the pattern of the second conductive film which covers the stepped portion is removed by etching.