摘要:
The invention relates to a radiation-sensitive mixture comprising a) a binder which is insoluble in water but soluble or at least swellable in aqueous alkaline solution, b) a compound which forms an acid under the action of actinic radiation and c) a compound which contains at least one C-O-C or C-O-Si bond which can be cleaved by an acid, wherein said mixture additionally contains 0.1 to 70 mol %, based on the maximum amount of acid which can theoretically be produced from the compound b), of at least one compound having at least one nitrogen atom in an amine or amide bond. The mixture is used in particular in the production of electronic components. The invention also relates to a recording material having a substrate and a radiation-sensitive coating.
摘要:
Sulfonic acid esters of 2,4-bistrichloromethyl-6-(mono- or dihydroxyphenyl)-1,3,5-triazine are disclosed. Also disclosed is a negative-working radiation-sensitive mixture containing such a compound in combination with a compound containing at least two acid-crosslinkable groups, and a water-insoluble polymeric binder which is soluble or at least swellable in aqueous alkaline solutions. The esters are esters of a sulfonic acid or sulfonic acids of the formula R--SO.sub.3 H or R'(--SO.sub.3 H).sub.2 with 2,4-bistrichloromethyl-6-(mono- or dihydroxyphenyl)-1,3,5-triazine of the formulae I and/or II ##STR1## where R is an optionally further substituted (C.sub.1 -C.sub.10)alkyl, (C.sub.5 -C.sub.10)cycloalkyl, (C.sub.6 -C.sub.10)aryl, (C.sub.6 -C.sub.10)aryl-(C.sub.1 -C.sub.10)alkyl or (C.sub.3 -C.sub.9)heteroaryl radical, R' is an optionally substituted (C.sub.1 -C.sub.10)alkylene, (C.sub.6 -C.sub.10)arylene or (C.sub.3 -C.sub.9)heteroarylene radical, and n may be 1 or 2. The radiation-sensitive mixture according to the invention is remarkable for a high resolution and a high sensitivity over a wide spectral range and can be used to produce a radiation-sensitive recording material suitable for producing photoresists, electronic components, or printing plates, or for chemical milling.
摘要:
Compounds having repeating units of the formula I ##STR1## in which R.sup.1 is an alkylene, cycloalkylene, alkenylene, alkynylene, or arylenebisalkyl group, in which one or more aliphatic CH.sub.2 groups may be replaced by oxygen or sulfur atoms,R.sup.2 is an alkyl, alkenyl, alkynyl, cycloalkyl, alkoxyalkyl, aryl, aralkyl or aryloxyalkyl radical,R.sup.3 is an alkyl or aryl radical,X is --CO--, --O--CO-- or --NH--CO--, andn is an integer greater than 1, especially from 3 to 50.are cleavable by acid and, in combination with photolytic acid donors and alkali-soluble binders, are constituents of positive-working mixtures which are used especially in recording materials for UV radiation and high-energy radiation. The materials are distinguished by a high resolution in conjunction with high image contrast.
摘要:
A negative-working radiation-sensitive mixture containinga) a compound which contains at least one --CBr.sub.3 group bound to an atom not linked in turn to a hydrogen atom,b) an alkoxymethylated melamine andc) a water-insoluble polymeric binder which is soluble, or at least swellable, in aqueous alkaline solutions and contains phenolic OH groups,wherein(1) the mixture has an absorption of
摘要:
A positive-working radiation-sensitive mixture is disclosed that contains(a) a compound that forms strong acid on exposure to actinic radiation that is an ester of a sulfonic acid or sulfonic acids of the formula R--SO.sub.3 H or R'(--SO.sub.3 H).sub.2 with 2,4-bistrichloromethyl-6-(mono- or dihydroxyphenyl)-1,3,5-triazine of the formulae I and/or II: ##STR1## where R is an optionally further substituted (C.sub.1 -C.sub.10) alkyl, (C.sub.5 -C.sub.10)cycloalkyl, (C.sub.6 -C.sub.10)aryl, (C.sub.6 -C.sub.10)aryl- (C.sub.1 -C.sub.10) alkyl or (C.sub.3 -C.sub.9)heteroaryl radical, R' is an optionally substituted (C.sub.1 -C.sub.10)alkylene, (C.sub.6 -C.sub.10)arylene or (C.sub.3 -C.sub.9)heteroarylene radical, and n is 1 or 2,(b) a compound that contains at least one acid-cleavable C--O--C or C--O--Si bond, and(c) a water-insoluble polymeric binder that is soluble or at least swellable in aqueous alkaline solutions.The radiation-sensitive mixture is remarkable for its high resolution and high sensitivity over a wide spectral range. A radiation-sensitive recording material suitable for producing photoresists, electronic components or printing plates, or for chemical milling is also disclosed.
摘要:
Ligomeric sulfonic acid derivatives having repeating units of the formula I ##STR1## in which R.sup.1 is an alkyl, haloalkyl or aryl radical,R.sup.2 is a hydrogen atom, an alkyl, alkenyl or aryl radical or the group (R.sup.1 --SO.sub.2 --O--).sub.n X--,R.sup.3 is a cycloalkylenedialkyl, cycloalkenylenedialkyl, arylenedialkyl, heteroarylenedialkyl group, alkylene, alkenylene, alkynylene, cycloalkylene or arylene group,X is an alkylene, cycloalkylene or arylene group Y is O, S, CO, CO--O, SO.sub.2, SO.sub.2 --O, NR.sup.4, CO--NH, O--CO--NR.sup.5, NH--CO--NR.sup.5 or NR.sup.5 --CO--O,Z is O, CO--NR.sup.6, O--CO--NR.sup.6 or NH--CO--NR.sup.6,R.sup.4 is an acyl radical,R.sup.5 is a hydrogen atom or an alkyl-, cycloalkyl, alkenyl, alkynyl or aryl radical,R.sup.6 is an alkyl, cycloalkyl, alkenyl, alkynyl or aryl radical,k is 0, 1, 2, 3 or 4,m is an integer greater than 1 andn is 1, 2 or 3,generate sulfonic acids under irradiation and are cleavable by the latter. In combination with alkali-soluble binders, they give positive-working mixtures which are used especially in recording materials for UV radiation and high-energy radiation. The recording materials are distinguished by a high resolution in conjunction with high image contrast and excellent storage stability.
摘要:
A negative-working radiation-sensitive mixture containinga) a compound which generates a strong acid under the action of actinic radiation,b) a compound having at least two groups crosslinkable by means of acid andc) a polymeric binder which is insoluble in water and soluble or at least swellable in aqueous alkaline solutions,wherein the compound (a) comprises a di-, tri- or tetra-hydroxybenzene which may be further substituted, or a polymer containing a di-, tri-, or tetra- hydroxy phenyl radical, is esterified with respectively 2, 3 or 4 sulfonic acids of the formula R--SO.sub.3 H, and is distinguished by high resolution and high sensitivity over a wide spectral range. It also shows high thermal stability and does not form any corrosive photolysis products on exposure. A radiation-sensitive recording material produced with this mixture is suitable for the production of photoresists, electronic components, printing plates or for chemical milling.
摘要:
A negative-working radiation-sensitive mixture which comprisesa) a compound, which forms a strong acid on irradiation, of the general formula ##STR1## in which R.sup.1 is a radical R.sup.2 --SO.sub.2 -- or R.sup.3 --C(O)-- andR.sup.2 and R.sup.3 independently of one another are an optionally substituted alkyl, cycloalkyl, aryl or heteroaryl radical,b) a compound containing at least two reactive groups which can be crosslinked by an acid andc) a water-insoluble binder which is soluble or at least swellable in aqueous-alkaline solutions, is described.The radiation-sensitive mixture according to the invention is distinguished by a high sensitivity over a wide spectral range. It likewise exhibits a high heat stability and forms no corrosive photolysis products on exposure to light.
摘要:
A positive-working radiation-sensitive mixture is described which essentially contains a photoactive component and a water-insoluble binder which is soluble, or at least swellable, in aqueous alkaline solution, wherein a compound is used, as photoactive component, which contains .alpha.-diazo-.beta.-keto ester units and sulfonate units of the formula I ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are an unsubstituted or substituted aliphatic, cycloaliphatic, araliphatic or aromatic radical having 4 to 20 carbon atoms, it being possible for individual CH.sub.2 groups to be replaced by oxygen or sulfur atoms or by N or NH groups and/or contain keto groups,X is an unsubstituted or substituted aliphatic, cycloaliphatic, carbocyclic, heterocyclic or araliphatic radical having 2 to 22 carbon atoms, it being possible for individual CH.sub.2 groups to be replaced by oxygen or sulfur atoms or by the groups --NR.sup.3 --, --C(O)--0--, --C(O)--NR.sup.3 --, ##STR2## --NR.sup.3 --C(O)--NR.sup.4 --, --O--C(O)--NR.sup.3 --, ##STR3## or --O--C(O)--O--, or CH groups to be replaced by ##STR4## in which R.sup.3 and R.sup.4, independently of one another, are hydrogen or an unsubstituted or substituted aliphatic, carbocyclic or araliphatic radical,m is an integer from 3 to 8,n is an integer from 1 to 3, and m>n.The radiation-sensitive mixture is especially suitable for exposure to radiation having a wavelength of about 190 to 300 nm.
摘要:
Sulfonic acid esters are used as (a) compounds for forming a strong acid on irradiation in radiation-sensitive, positive or negative working mixtures also comprising (b) either a compound with at least one acid-decomposable C--O--C or C--O--Si bond (for positive working mixtures) or a compound with at least acid-cross-linkable groups (for negative working mixtures) and c) a binder which is insoluble in water but soluble or at least swellable in aqueous alkaline solutions, wherein said sulfonic acid esters are formula �R.sup.1 --CR.sup.2 (CF.sub.3)--O--SO.sub.2 --!.sub.n R.sup.3(I) or R.sup.1 �--CR.sup.2 (CF.sub.3)--O--SO.sub.2 --R.sup.3 !m (II) wherein R.sup.1, R.sup.2, R.sup.3, n and n are defined with the body of the disclosure. These mixtures are particularly suitable for exposure to deep UV radiation in the formation of recording materials suitable for the production of photoresists, electronic components, and printing plates.