Abstract:
PROBLEM TO BE SOLVED: To provide a new metal compound which is stable to heat on a gate stack containing a high-k dielectric and does not cause carbon diffusion caused in the case of a metal carbide. SOLUTION: This invention provides the metal compound which is a p-type metal having a work function of about 4.75-5.3 eV, preferably about 5 eV and comprises MO x N y stable to heat on the gate stack comprising the high-k dielectric and an interface layer, and a method for manufacturing the MO x N y metal compound. Further, the MO x N y metal compound is an extremely efficient oxygen diffusion barrier at 1,000°C, and achieves, in a p-type metal oxide semiconductor (pMOS) device, an extremely aggressive equivalent oxide film thickness (EOT) and an inversion layer thickness of 14 Å or less. In this formula, M is metal selected from Group IVB, VB, VIB and VIIB of the periodic table of the elements, x is about 5-40 atomic%, and y is about 5-40 atomic%. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation:要解决的问题:提供在含有高k电介质的栅极堆叠上对热稳定的新的金属化合物,并且在金属碳化物的情况下不引起碳扩散。 解决方案:本发明提供金属化合物,其为具有约4.75-5.3eV,优选约5eV的功函数的p型金属,并且包括MO x SB> N < / SB>在包含高k电介质和界面层的栅极堆叠上的热稳定,以及用于制造金属化合物的方法。 此外,金属化合物在1000℃下是非常有效的氧扩散阻挡层,并且在p型金属氧化物半导体(pMOS)器件中实现 ,极高的等效氧化膜厚度(EOT)和反射层厚度为14或更小。 在该式中,M是选自元素周期表的IVB,VB,VIB和VIIB族的金属,x为约5-40原子%,y为约5-40原子%。 版权所有(C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method for forming an alignment layer on a substrate. SOLUTION: The film is adhered and aligned in a single step with a method containing a step to shoot an ion-beam at the substrate with a specified incident angle and simultaneously to adhere the film to the substrate (a) and to align an atomic structure of the film in at least a specified aligning direction (b).
Abstract:
PROBLEM TO BE SOLVED: To provide a semiconductor structure containing a double metal gate and a method for manufacturing the same. SOLUTION: The semiconductor structure including at least one n-type field-effect transistor (nFET) and at least one p-type field-effect transistor (pFET), both transistors each including a metal gate having an nFET property and pFET property, and not including an upper portion-polysilicon gate electrode and a method for manufacturing such a semiconductor structure are provided. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
A method is provided for forming a microstructure with an interfacial oxide layer by using a diffusion filter layer to control the oxidation properties of a substrate associated with formation of a high-k layer into the microstructure. The diffusion filter layer controls the oxidation of the surface. The interfacial oxide layer can be formed during an oxidation process that is carried out following deposition of a highk layer onto the diffusion filter layer, or during deposition of a high-k layer onto the diffusion filter layer.
Abstract:
A field effect transistor device and method which includes a semiconductor substrate, a dielectric gate layer, preferably a high dielectric constant gate layer, overlaying the semiconductor substrate and an electrically conductive oxygen barrier layer overlaying the gate dielectric layer. Sn one embodiment, there is a conductive layer between the gate dielectric layer and the oxygen barrier layer, In another embodiment, there is a low resistivity metal layer on the oxygen barrier layer.
Abstract:
Ultra-thin oxide and oxynitride layers are formed utilizing low pressure processing to achieve self-limiting oxidation of substrates and provide ultra-thin oxide and oxynitride. The substrates to be processed can contain an initial dielectric layer such as an oxide layer, an oxynitride layer, a nitride layer, a high-k layer, or alternatively can lack an initial dielectric layer. The processing can be carried out using a batch type process chamber or, alternatively, using a single-wafer process chamber. One embodiment of the invention provides self-limiting oxidation of Si-substrates that results in Si02 layers with a thickness of about 15Å, where the thickness of the Si02 layers varies less than about 1 Åover the substrates.
Abstract:
A method for fabricating a CMOS gate electrode by using Re, Rh, Pt, Ir or Ru metal and a CMOS structure that contains such gate electrodes are described. The work functions of these metals make them compatible with current pFET requirements. For instance, the metal can withstand the high hydrogen pressures necessary to produce properly passivated interfaces without undergoing chemical changes. The thermal stability of the metal on dielectric layers such as SiO2, Al2O3 and other suitable dielectric materials makes it compatible with post-processing temperatures up to 1000° C. A low temperature/low pressure CVD technique with Re2(CO)10 as the source material is used when Re is to be deposited.
Abstract:
Verfahren zum selektiven Züchten von Kohlenstoffnanoröhren (44), das folgende Schritte umfasst: Bilden (100) einer Isolierschicht (10) auf einem Substrat (12), wobei die Isolierschicht (10) eine obere Fläche (14) aufweist; Bilden (102) eines Durchgangskontaktes (18) in der Isolierschicht (10); Bilden (104) einer aktiven Metallschicht (30) auf der Isolierschicht (10); Abtragen der aktiven Metallschicht (30) von Teilen der oberen Fläche (14) mittels eines Ionenstrahls (40), der unter einem flachen Winkel auftrifft, wobei der flache Winkel in einem Bereich von –1 Grad bis –45 Grad liegt, um das Abtragen der aktiven Schicht von einem Bodenteil des Durchgangskontaktes (18) zu verhindern; Zuführen eines kohlenstoffhaltigen Gases zum Durchgangskontakt (18), um eine einzelne Kohlenstoffnanoröhre zu bilden; und Anwenden eines zweiten Ionenstrahls (42) unter einem steilen Winkel zur aktiven Metallschicht (30) innerhalb des Durchgangskontaktes (18), wobei der steile Winkel in einem Bereich von ungefähr –46 Grad bis ungefähr –90 Grad liegt, um das selektive Wachstum einer einzelnen Kohlenstoffnanoröhre (44) innerhalb des Durchgangskontaktes (18) zu ermöglichen.