摘要:
The formation of devices in semiconductor material is provided using an HF/HCL cleaning process. In one embodiment, the method includes forming at least one hard mask overlaying at least one layer of resistive material. Forming at least one opening to a working surface of a silicon substrate of the semiconductor device. Cleaning the semiconductor device with a diluted HF/HCL process. The HF/HCL process including, applying a dilute of HF for a select amount of time and applying a dilute of HCL for a specific amount of time. After cleaning with the diluted HF/HCL process, forming a silicide contact junction in the at least one of the opening to the working surface of the silicon substrate and forming interconnect metal layers.
摘要:
The formation of devices in semiconductor material. In one embodiment, a method of forming a semiconductor device is provided. The method comprises forming at least one hard mask overlaying at least one layer of resistive material. Forming at least one opening to a working surface of a silicon substrate of the semiconductor device. Cleaning the semiconductor device with a diluted HF/HCL process. After cleaning with the diluted HF/HCL process, forming a silicide contact junction in the at least one of the opening to the working surface of the silicon substrate and then forming interconnect metal layers.
摘要:
Integrated circuits, semiconductor devices and methods for making the same are described. Each embodiment shows a diffused, doped backside layer in a device wafer that is oxide bonded to a handle wafer. The diffused layer may originate in the device handle, in the handle wafer, in the bond oxide or in an additional semiconductor layer of polysilicon or epitaxial silicon. The methods use a thermal bond oxide or a combination of a thermal and deposited oxide.
摘要:
A method of forming a non-single-crystalline capacitor in an integrated circuit. It includes the steps of forming a first non-single-crystalline layer on a gate dielectric layer of a substrate of an integrated circuit. Next, a capacitor dielectric layer is formed on the first non-single-crystalline layer, and a second non-single-crystalline layer is formed on the capacitor dielectric layer. Portions of the second non-single-crystalline layer are removed to define a top plate of the capacitor. Portions of the capacitor dielectric layer are removed to define a dielectric of the capacitor. Also, portions of the first non-single-crystalline layer are removed to define the bottom plate of the capacitor.
摘要:
A method for forming a diffused, doped backside layer on a device wafer oxide bonded to a handle wafer in an integrated circuit is provided. The method comprises forming a thermal bond oxide layer on a backside surface of the device wafer of the integrated circuit. Implanting the bond oxide with a diffusing dopant. Diffusing dopant from the bond oxide into the backside surface of the device wafer. Depositing an oxide layer on the bond oxide and bonding the deposited oxide layer to the handle wafer of the integrated circuit.
摘要:
In accordance with the invention, there are various methods of making an integrated circuit comprising a bipolar transistor. According to an embodiment of the invention, the bipolar transistor can comprise a substrate, a collector comprising a plurality of alternating doped regions, wherein the plurality of alternating doped regions alternate in a lateral direction from a net first conductivity to a net second conductivity, and a collector contact in electrical contact with the collector. The bipolar transistor can also comprise a heavily doped buried layer below the collector, a base in electrical contact with a base contact, wherein the base is doped to a net second conductivity type and wherein the base spans a portion of the plurality of alternating doped regions, and an emitter disposed within the base, the emitter doped to a net first conductivity, wherein a portion of the alternating doped region under the emitter is doped to a concentration of less than about 3×1012 cm−2.
摘要:
Apparatus and Methods for the self-alignment of separated regions in a lateral MOSFET of an integrate circuit. In one embodiment, a method comprising, forming a relatively thin dielectric layer on a surface of a substrate. Forming a first region of relatively thick material having a predetermined lateral length on the surface of the substrate adjacent the relatively thin dielectric layer. Implanting dopants to form a top gate using a first edge of the first region as a mask to define a first edge of the top gate. Implanting dopants to form a drain contact using a second edge of the first region as a mask to define a first edge of the drain contact, wherein the distance between the top gate and drain contact is defined by the lateral length of the first region.
摘要:
The present invention relates to an integrated circuit having a MOS capacitor. In one embodiment, a method of forming an integrated circuit comprises forming an oxide layer on a surface of a substrate, the substrate having a plurality of isolation islands. Each isolation island is used in forming a semiconductor device. Patterning the oxide layer to expose predetermined areas of the surface of the substrate. Depositing a nitride layer overlaying the oxide layer and the exposed surface areas of the substrate. Implanting ions through the nitride layer, wherein the nitride layer is an implant screen for the implanted ions. Using the nitride layer as a capacitor dielectric in forming a capacitor. In addition, performing a dry etch to form contact openings that extend through the layer of nitride and through the layer of oxide to access selected device regions formed in the substrate.
摘要:
An integrated circuit device comprising a diode and a method of making an integrated circuit device comprising a diode are provided. The diode can comprise an island of a first conductivity type, a first region of a second conductivity type formed in the island, and a cathode diffusion contact region doped to the second conductivity type disposed in the first region. The diode can also comprise a cathode contact electrically contacting the cathode diffusion contact region, an anode disposed in the island, an anode contact electrically contacting the anode, and a first extension region doped to the first conductivity type disposed at a surface junction between the first region and the island.
摘要:
Apparatus and Methods for the self-alignment of separated regions in a lateral MOSFET of an integrate circuit. In one embodiment, a method comprising, forming a relatively thin dielectric layer on a surface of a substrate. Forming a first region of relatively thick material having a predetermined lateral length on the surface of the substrate adjacent the relatively thin dielectric layer. Implanting dopants to form a top gate using a first edge of the first region as a mask to define a first edge of the top gate. Implanting dopants to form a drain contact using a second edge of the first region as a mask to define a first edge of the drain contact, wherein the distance between the top gate and drain contact is defined by the lateral length of the first region.