Provided are a chip matrix, a sequencing chip, and a manufacturing method thereof. The chip matrix includes: a wafer layer (111), the wafer layer (111) having cutting lines that are evenly distributed thereon; a first silicon oxide layer (112), the first silicon oxide layer (112) being made of silicon oxide and formed on an upper surface of the wafer layer (111); a transition metal oxide layer (113), the transition metal oxide layer (113) being made of transition metal oxide and formed on an upper surface of the first silicon oxide layer (112). The chip matrix has characteristics such as resistances against high temperature, high humidity and other harsh environments. Meanwhile, by changing pH, surfactant and other components of a solution containing sequences to be sequenced, a surface functional region of the chip matrix can specifically adsorb a sequence to be sequenced.

A thin-film forming raw material, including an alkoxide compound represented by formula (1) below, where R.sup.1 to R.sup.4 each independently represents an alkyl group having 1 to 5 carbon atoms, M represents a rare earth metal atom, and n represents a valence of the rare earth metal atom.

##STR00001##

A tin compound represented by formula (1) below, where R.sup.1 and R.sup.2 each independently represents an alkyl group having 1 to 5 carbon atoms or an alkylsilyl group having 3 to 12 carbon atoms, R.sup.3 and R.sup.4 each independently represents an alkyl group having 1 to 5 carbon atoms, and R.sup.5 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms.

##STR00001##

A member used in a semiconductor manufacturing apparatus includes a first member, a second member, and a sealing layer disposed between the first member and the second member. The first member has a plurality of first openings, and the second member has a plurality of second openings respectively corresponding to the plurality of first openings. The sealing layer has a plurality of through holes respectively corresponding to at least two first openings among the plurality of first openings. The at least two first openings respectively communicate with at least two corresponding second openings via the plurality of through holes.

Embodiments of the present invention provide a method for removing a barrier layer of a metal interconnection on a wafer, which remove a single-layer metal ruthenium barrier layer. A method comprises: oxidizing step, is to oxidize the single-layer metal ruthenium barrier layer into a ruthenium oxide layer by electrochemical anodic oxidation process; oxide layer etching step, is to etch the ruthenium oxide layer with etching liquid to remove the ruthenium oxide layer. The present invention also provides a method for removing a barrier layer of a metal interconnection on a wafer, using in a structure of a process node of 10 nm and below, wherein the structure comprises a substrate, a dielectric layer, a barrier layer and a metal layer, the dielectric layer is deposited on the substrate and recessed areas are formed on the dielectric layer, the barrier layer is deposited on the dielectric layer, the metal layer is deposited on the barrier layer, wherein the metal layer is a copper layer, the barrier layer is a single-layer metal ruthenium layer, and the method comprises: thinning step, is to thin the metal layer; removing step, is to remove the metal layer; oxidizing step, is to oxidize the barrier layer, and the oxidizing step uses an electrochemical anodic oxidation process; oxide layer etching step, is to etch the oxidized barrier layer.

A method for improving the elastic modulus of dense organosilica dielectric films (k2.7) without negatively impacting the film's electrical properties and with minimal to no reduction in the carbon content of the film. The method comprising the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber a gaseous composition comprising a mixture of an alkyl-alkoxysilacyclic compound and 5% or less of certain bis(alkoxy)silanes or mono-alkoxysilanes; and applying energy to the gaseous composition comprising the mixture of the alkyl-alkoxysilacyclic compound and 5% or less of certain bis(alkoxy)silanes or mono-alkoxysilanes to deposit an organosilicon film on the substrate, wherein the organosilicon film has a dielectric constant from 2.70 to 3.30, an elastic modulus of from 6 to 30 GPa, and an at. % carbon from 10 to 45 as measured by XPS.

There is provided a plasma processing method comprising: continuously introducing electromagnetic waves into a chamber of a plasma processing apparatus, the electromagnetic waves being VHF waves or UHF waves, the electromagnetic waves being introduced into the chamber so as to form standing waves within the chamber along a lower surface of an upper electrode of the plasma processing apparatus; periodically applying a negative voltage to the upper electrode while performing said continuously introducing the electromagnetic waves; and supplying a processing gas into the chamber only during a period in which the negative voltage is applied to the upper electrode.

An exemplary semiconductor structure includes a semiconductor substrate; a plurality of metal lines on top of the semiconductor substrate, each line having a line width 5 nanometers or less: a plurality of dielectric features adjacent to the metal lines; and a plurality of metal vias on top of the metal lines. Out of a random sample of 1000 vias at least 950 vias are fully-aligned to corresponding metal lines.

There is provided a technique that includes: forming a film on a substrate in a process chamber by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) supplying a precursor from a first supplier to the substrate and exhausting the precursor from an exhaust port installed opposite to the first supplier with the substrate interposed between the exhaust port and the first supplier; and (b) supplying a reactant from a second supplier to the substrate and exhausting the reactant from the exhaust port, wherein in (a), inert gas is supplied into the process chamber from a third supplier installed at a region, which is a region on a side of the exhaust port among a plurality of regions partitioned in the process chamber by a bisector perpendicular to straight line connecting the first supplier and the exhaust port in a plane view.

A film forming method includes: a supply operation of supplying a processing gas into a processing container in which a substrate is accommodated, the processing gas including a silicon-containing gas, a nitrogen-containing gas, and a diluent gas; and a film forming operation of plasmarizing the processing gas by supplying, into the processing container, power obtained by phase-controlling and superimposing first power with a first frequency in a VHF band and second power with a second frequency different from the first frequency in the VHF band, and forming a silicon nitride film on the substrate by the plasmarized processing gas.