Abstract:
A positive photosensitive resin composition including: an alkali-soluble resin containing at least one structure selected from a polyimide structure, a polyamide structure, a polybenzoxazole structure, a polyamide-imide structure, and a precursor structure thereof, a polymer compound having a structural unit formed by cyclopolymerization, and a compound having a quinonediazide structure for serving as a photosensitizer to generate an acid by light and increase a dissolution speed to an alkaline aqueous solution.
Abstract:
A positive photosensitive resin composition including: (A) an alkali-soluble resin containing at least one or more structures selected from a polyimide structure, a polybenzoxazole structure, a polyamide-imide structure, and a precursor structure thereof; (B) a crosslinkable polymer compound containing a structural unit represented by the following general formula (1) and having a group crosslinked with the component (A); and (C) a compound having a quinonediazide structure for serving as a photosensitizer to generate an acid by light and increase a dissolution speed to an alkaline aqueous solution, the resin composition and a positive photosensitive dry film derived therefrom that enable formation of a fine pattern and high resolution, have excellent mechanical characteristics even when cured at low temperatures, and have no degradation in adhesive force between before and after a high temperature and high humidity test.
Abstract:
A photosensitive resin composition, a patterning process performed using the photosensitive resin composition, a cured film formed by curing the pattern, and an electronic component having the cured film. The photosensitive resin composition includes a resin, a photosensitizer, a surfactant containing a structural unit represented by formula (1), and a solvent, where Y1 and Y2 each independently represent a hydrogen atom, a methyl group, a phenyl group, or a group represented by formula (2), at least one of Y1 and Y2 is a group represented by formula (2), R1 to R6 are monovalent hydrocarbon groups that may be the same or different and optionally contain a heteroatom, having 1 to 20 carbon atoms, “1” and “n” are each independently integers of 1 to 100, and “m” is an integer of 0 to 100.
Abstract:
Provided is a polymer that can be used as a base resin for a positive photosensitive resin composition and a negative photosensitive resin composition, wherein the positive photosensitive resin composition and the negative photosensitive resin composition are soluble in an aqueous alkaline solution, can form a fine pattern, can achieve high resolution, and have good mechanical properties even when they are cured at low temperature. Also provided are a positive photosensitive resin composition and a negative photosensitive resin composition using the polymer. The polymer is represented by general formulas (1) and/or (2): wherein T1 and T2 may be the same as, or different from, each other and represent any of —CO— and —SO2—; X1 is a tetravalent organic group; and l is 0 or 1; and X2 is a divalent organic group.
Abstract:
A semiconductor apparatus includes a semiconductor device, on-semiconductor-device metal pad and metal interconnect each electrically connected to the semiconductor device, a through electrode and a solder bump each electrically connected to the metal interconnect, a first insulating layer on which the semiconductor device is placed, a second insulating layer formed on the semiconductor device, a third insulating layer formed on the second layer. The metal interconnect is electrically connected to the semiconductor device via the on-semiconductor-device metal pad at an upper surface of the second layer, penetrates the second layer from its upper surface, and is electrically connected to the through electrode at an lower surface of the second layer, and an under-semiconductor-device metal interconnect is between the first layer and the semiconductor device, and the under-semiconductor-device metal interconnect is electrically connected to the metal interconnect at the lower surface of the second layer.
Abstract:
A silicone structure-bearing polymer comprising recurring units derived from a bis(4-hydroxy-3-allylphenyl) derivative and having a Mw of 3,000-500,000 is provided. A chemically amplified negative resist composition comprising the polymer overcomes the stripping problem that a coating is stripped from metal wirings of Cu or Al, electrodes, and SiN substrates.
Abstract:
A chemically amplified negative resist composition is provided comprising (A) a resin having a crosslinking group, (B) a crosslinker, (C) a photoacid generator capable of generating an acid upon exposure to light of wavelength 190-500 nm, (D) a solvent, and (E) a fluoroalkyl-containing amine compound. The resist composition can form a fine pattern, specifically a fine hole or space pattern which has a positive taper (or forward taper) profile in which the size of top is greater than the size of bottom or improves the overhang profile with extremely projected top.
Abstract:
Provided is a compound that can be used as a base resin for a photosensitive resin composition. The photosensitive resin can form a fine pattern and can achieve high resolution without impairing mechanical strength and solubility. The compound is represented by the general formula (1): wherein Z represents a linear, branched or cyclic divalent hydrocarbon group having 2 to 30 carbon atoms; X1 to X3 represent any of —CO2—, —CONRX1—, —O—, —NRX1—, —S—, —SO2—, —SO3— and —SO2NRX1— and may be the same as or different from each other, provided that RX1 is a hydrogen atom or a monovalent hydrocarbon group having 1 to 30 carbon atoms; Ar represents a divalent aromatic group having 2 to 30 carbon atoms; L1 and L2 independently represent a divalent hydrocarbon group having 1 to 30 carbon atoms; and x and y are each independently 0 or 1.
Abstract:
This is to provide a polymer of a polyimide precursor which is soluble in an aqueous alkaline solution, and capable of using a base resin of a positive type and negative type photosensitive resin composition which is capable of forming a fine pattern and obtaining high resolution. Also provided is a positive type and negative type photosensitive resin composition using such a polymer of a polyimide precursor. Further provided are a patterning process and a method of forming a cured film using the composition. Provided is a polymer of a polyimide precursor which comprises a structural unit represented by the following general formula (1), wherein, X1, R1, Z, a repeating number “s”, Y1, Rf, a repeating number “n” and “k” represent the same meanings as mentioned in the specification.
Abstract:
Provided is a polymer that can be used as a base resin for a positive photosensitive resin composition and a negative photosensitive resin composition, wherein the positive photosensitive resin composition and the negative photosensitive resin composition are soluble in an aqueous alkaline solution, can form a fine pattern, can achieve high resolution, and have good mechanical properties even when they are cured at low temperature. Also provided are a positive photosensitive resin composition and a negative photosensitive resin composition using the polymer. The polymer is represented by general formulas (1) and/or (2): wherein T1 and T2 may be the same as, or different from, each other and represent any of —CO— and —SO2—; X1 is a tetravalent organic group; and l is 0 or 1; and X2 is a divalent organic group.