G03F7/094

METHOD OF REPLICATING A MICROSTRUCTURE PATTERN
20220390839 · 2022-12-08 · ·

A method includes providing a first multilayer structure including a substrate, a thin film, and a first photoresist layer; providing a second multilayer structure including a mold having a microstructure pattern, and a second photoresist layer; combining the first multilayer structure and the second multilayer structure so that the first photoresist layer is in contact with the second photoresist layer; and applying pressure and temperature. An article including a microstructure pattern is also disclosed.

Polymer, organic layer composition and method of forming patterns

A polymer, an organic layer composition including the polymer, and a method of forming a pattern using the organic layer composition, the polymer including a reaction product of a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2:
(CHO).sub.n1—Ar.sup.1—X—Ar.sup.2—(CHO).sub.n2  [Chemical Formula 1] wherein, in Chemical Formula 1, X is O, S, or NR, in which R is a hydrogen, or a substituted or unsubstituted C1 to C30 alkyl group, Ar.sup.1 and Ar.sup.2 are independently a substituted or unsubstituted C6 to C30 aromatic ring group, and n1 and n2 are independently an integer of 1 to 3;
Ar.sup.3—(OH).sub.m  [Chemical Formula 2] wherein, in Chemical Formula 2, Ar.sup.3 is a substituted or unsubstituted C10 to C30 fused aromatic ring group in which at least two rings are fused, and m is an integer of 1 to 3.

Resist underlayer film forming composition using a fluorene compound

Provided are: a resist underlayer film formation composition combining high etching resistance, high heat resistance, and excellent coating properties; a resist underlayer film in which the resist underlayer film formation composition is used and a method for manufacturing the resist underlayer film; a method for forming a resist pattern; and a method for manufacturing a semiconductor device. The resist underlayer film formation composition is characterized by including the compound represented by Formula (1), or a polymer derived from the compound represented by Formula (1) (where: AA represents a single bond or a double bond; X.sup.1 represents —N(R.sup.1)—; X.sup.2 represents —N(R.sup.2)—; X.sup.3 represents —CH(R.sup.3)—; X.sup.4 represents —CH(R.sup.4)— etc.; R.sup.1, R.sup.2, R.sup.3, and R.sup.4 represent hydrogen atoms, C1-20 straight chain, branched, or cyclic alkyl groups, etc.; R.sup.5, R.sup.6, R.sup.9, and R.sup.10 represent hydrogen atoms, hydroxy groups, alkyl groups, etc.; R.sup.7 and R.sup.8 represent benzene rings or naphthalene rings; and n and o are 0 or 1). A semiconductor device is manufactured by: coating the composition on a semiconductor substrate, firing the coated composition, and forming a resist underlayer film; forming a resist film thereon with an inorganic resist underlayer film interposed therebetween selectively as desired; forming a resist pattern by irradiating light or electron radiation and developing; etching the underlayer film using the resist pattern; and processing the semiconductor substrate using the patterned underlayer film.

METHOD FOR PRODUCING MULTI-LAYERED TYPE MICROCHANNEL DEVICE USING PHOTOSENITIVE RESIN LAMINATE

Provided is a method for producing a multi-layered microchannel device by using a photosensitive resin laminate, which is highly-defined and excellent in dimension accuracy and enables channels to be partially hydrophilized or hydrophobilized, wherein the method comprises step (i) of sequentially carrying out (i-a) forming a first photosensitive resin layer on a substrate, (i-b) light-exposing the first photosensitive resin layer, and (i-c) developing the light-exposed photosensitive layer and forming a channel pattern layer, to form a first channel pattern layer; and step (ii) of sequentially carrying out (ii-a) laminating a second photosensitive resin laminate on the first channel pattern layer formed in the step (i), (ii-b) light-exposing a photosensitive layer of the second photosensitive resin laminate, and (ii-c) developing the light-exposed photosensitive layer and forming a channel pattern layer, to form a second channel pattern layer.

MATERIAL FOR FORMING ADHESIVE FILM, METHOD FOR FORMING ADHESIVE FILM USING THE SAME, AND PATTERNING PROCESS USING MATERIAL FOR FORMING ADHESIVE FILM

The present invention is a material for forming an adhesive film formed between a silicon-containing middle layer film and a resist upper layer film, the material for forming an adhesive film containing: (A) a resin having a structural unit shown by the following general formula (1); (B) a crosslinking agent containing one or more compounds shown by the following general formula (2); (C) a photo-acid generator; and (D) an organic solvent. This provides: a material for forming an adhesive film in a fine patterning process by a multilayer resist method in a semiconductor device manufacturing process, where the material gives an adhesive film that has high adhesiveness to a resist upper layer film, has an effect of suppressing fine pattern collapse, and that also makes it possible to form an excellent pattern profile; a patterning process using the material; and a method for forming the adhesive film.

##STR00001##

Underlying coating compositions for use with photoresists

New composition and methods are provided that include antireflective compositions that can exhibit enhanced etch rates in standard plasma etchants. Preferred antireflective coating compositions of the invention have decreased carbon content relative to prior compositions.

Material for forming organic film, substrate for manufacturing semiconductor device, method for forming organic film, patterning process, and compound for forming organic film

An object of the present invention is to provide: a compound containing an imide group which is not only cured under film formation conditions of inert gas as well as air and has excellent heat resistance and properties of filling and planarizing a pattern formed on a substrate, but can also form an organic underlayer film with favorable adhesion to a substrate, and a material for forming an organic film containing the compound. A material for forming an organic film, including: (A) a compound for forming an organic film shown by the following general formula (1A); and (B) an organic solvent, ##STR00001## noting that in the general formula (1B), when W.sub.1 represents ##STR00002##  R.sub.1 does not represent any of ##STR00003##

RESIST UNDERLAYER FILM-FORMING COMPOSITION CONTAINING HETEROCYCLIC COMPOUND
20220356297 · 2022-11-10 · ·

A resist underlayer film having an especially high dry etching rate; a composition for forming the resist underlayer film; a method for forming a resist pattern; and a method for producing a semiconductor device. The composition for forming the resist underlayer film has a solvent and a product of reaction between an epoxidized compound and a heterocyclic compound containing at least one moiety having reactivity with an epoxy group. It is preferable that the heteroring contained in the heterocyclic compound be selected from among furan, pyrrole, pyran, imidazole, pyrazole, oxazole, thiophene, thiazole, thiadiazole, imidazolidine, thiazolidine, imidazoline, dioxane, morpholine, diazine, thiazine, triazole, tetrazole, dioxolane, pyridazine, pyrimidine, pyrazine, piperidine, piperazine, indole, purine, quinoline, isoquinoline, quinuclidine, chromene, thianthrene, phenothiazine, phenoxazine, xanthene, acridine, phenazine, and carbazole.

IMAGE SENSOR DEVICE AND MANUFACTURING METHOD THEREOF

A method includes performing a first lithography process using a first pattern of a first photomask to form a first photoresist pattern on a front side of a device substrate; performing a first implantation process using the first pattern as a mask to form first isolation regions in the device substrate; after performing the first implantation process, performing a second lithography process using a second pattern of a second photomask to form a second photoresist pattern on the front side of the device substrate, the second pattern being shifted from the first pattern by a distance less than the first pitch and in the first direction; performing a second implantation process using the second photoresist pattern as a mask to form second isolation regions in the device substrate and spaced apart from the first isolation regions; and forming pixels between the first and second isolation regions.

METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE
20220359190 · 2022-11-10 ·

Method of manufacturing a semiconductor device, includes forming a protective layer over substrate having a plurality of protrusions and recesses. The protective layer includes polymer composition including polymer having repeating units of one or more of:

##STR00001##

Wherein a, b, c, d, e, f, g, h, and i are each independently H, —OH, —ROH, —R(OH).sub.2, —NH.sub.2, —NHR, —NR.sub.2, —SH, —RSH, or —R(SH).sub.2, wherein at least one of a, b, c, d, e, f, g, h, and i on each repeating unit is not H. R, R.sub.1, and R.sub.2 are each independently a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 hydroxyalkyl group, a C2-C10 alkoxy group, a C2-C10 alkoxy alkyl group, a C2-C10 acetyl group, a C3-C10 acetylalkyl group, a C1-C10 carboxyl group, a C2-C10 alkyl carboxyl group, or a C4-C10 cycloalkyl carboxyl group, and n is 2-1000. A resist layer is formed over the protective layer, and the resist layer is patterned.