Abstract:
Aqueous composition for developing photoresists applied to semiconductor substrates, said aqueous composition comprising a quaternary ammonium compound of formula I wherein (a) R1 is selected from a C4 to C30 organic radical of formula -X-CR10 R11 R12, wherein R10, R11 and R12 are independently selected from a C1 to C20 alkyl and two or three of R10, R11 and R12 may together form a ring system, and R2, R3 and R4 are selected from R1 or a C1 to C10 alkyl, C1 to C10 hydroxyalkyl C1 to 1C30 aminoalkyl or C1 to C20A alkoxyalkyl, and X is a chemical bond or a C1 to C4 divalent organic radical, or (b) R and R2 areindependently selected from an organic radical of formula IIa or IIb (IIa) 20 or wherein Y is C4 to C20 alkanediyl, Y 2 is a one-, two-or tricyclic C to C20 carbocyclic or heterocyclic aromatic system, and R3 and R4 are selected from R or a C to C 10 alkyl, C to C 10 hydroxyalkyl, C to C 30 aminoalkyl, or C to C 20 alkoxyalkyl, and X is a chemical bond or a C to C 4 divalent organic radical, and Xis a chemical bond or a C to C 4 divalent organic radical, or30 (c)at least two of R, R 2, R 3, and R 4 together form a saturated mono, bi or tricyclic C to C 30 organic ring system and the remaining R 3 and R 4, if any, together form a monocyclic C to C 30 organic ring system or are selected from a C to C 10 alkyl, C to C 10 hydroxyalkyl, C to C 30 aminoalkyl, or C to C20 alkoxyalkyl, and Xis a chemical bond or a C1 to C4 divalent organic radical, or 3 (d)a combination thereof, and wherein Z is a counter-ion and z is an integer, which is chosen so that the overall bulky quaternary ammonium compound is electrically uncharged.
Abstract:
Aqueous composition for developing photoresists applied to semiconductor substrates, said aqueous composition comprising a quaternary ammonium compound of formula I Wherein a) R1 is selected from a C4 to C30 organic radical of formula -X-CR10R11R12, wherein R10, R11 and R12 are independently selected from a C1 to C20 alkyl and two or three of R10, R11 and R12 may together form a ring system, and R2, R3 and R4 are selected from R1 or a C1 to C10 alkyl, C1 to C10 hydroxyalkyl C1 to C30 aminoalkyl or C1 to C20 alkoxyalkyl, and X is a chemical bond or a C1 to C4 divalent organic radical, or b) R1 and R2 are independently selected from an organic radical of formula Ila or lib wherein Y1 is C4 to C20 alkanediyl, Y2 is a one-, two- or tricyclic C5 to C20 carbocyclic or heterocyclic aromatic system, and R3 and R4 are selected from R1 or a C1 to C10 alkyl, C1 to C10 hydroxyalkyl, C1 to C30 aminoalkyl, or C1 to C20 alkoxyalkyl, and X is a chemical bond or a C1 to C4 divalent organic radical, and X is a chemical bond or a C1 to C4 divalent organic radical, or c) at least two of R1, R2, R3, and R4 together form a saturated mono, bi or tricyclic C5 to C30 organic ring system and the remaining R3 and R4, if any, together form a monocyclic C5 to C30 organic ring system or are selected from a C1 to C10 alkyl, C1 to C10 hydroxyalkyl, C1 to C30 aminoalkyl, or C1 to C20 alkoxyalkyl, and X is a chemical bond or a C1 to C4 divalent organic radical, or d) a combination thereof, and wherein Z is a counter-ion and z is an integer, which is chosen so that the overall bulky quaternary ammonium compound is electrically uncharged.
Abstract:
La presente invención se refiere a un proceso para aislar al menos un derivado de ácido (tio)fosfórico (1a), que tiene un punto de ebullición de al menos 70 °C, de una mezcla de productos (1) que comprende, como componente (1a), el al menos un derivado de ácido (tio)fosfórico, como componente (1b), al menos una sal seleccionada de (b1) sales de amonio y (b2) cloruros de metales alcalinos, como componente (1c), al menos un solvente polar, que se selecciona del grupo que consiste en solventes de éster y solventes de éter, y, opcionalmente como componente (1d), al menos un barredor de HCI; en donde el proceso se basa en el concepto de disolver primero el derivado de ácido (tio)fosfórico (1a) para poder eliminar la al menos una sal, y luego producir la formación de sólidos del derivado de ácido (tio)fosfórico (1a).
Abstract:
A composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2N-P(X)(NH2)2, wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered satu- rated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (L1 ) at least one amine selected from the group consisting of (L10), (L11 ), (L12), (L13), (L14), (L15), (L16), (L17), (L18), (L19), (L20), (L21 ), (L22), (L23), (L24), and (L29).
Abstract:
Un proceso para aislar al menos un derivado del ácido (tio)fosfórico (1a), que tiene un punto de fusión de al menos 70 °C, donde al menos un derivado del ácido (tio)fosfórico (1a) es triamida del ácido N-(n-propil)tiofosfórico (NPPT) de una mezcla de productos (1) que comprende como componentes (1a) el al menos un derivado de ácido (tio)fosfórico; (1b) al menos una sal seleccionada del grupo que consta de (b1) sales de amonio de acuerdo con la fórmula general H2NR16R17Cl donde R16 y R17 se seleccionan independientemente entre sí del grupo que consiste en H y alquilo C1-C4; y (b2) cloruros de metales alcalinos; (1c) al menos un disolvente polar, que es acetato de etilo; y (1d) opcionalmente al menos un neutralizador de HCI; en donde el proceso comprende al menos los pasos de (a) calentar la mezcla de productos (1) a una temperatura de 40 °C a 60 °C; (b) separar el material sólido de la mezcla de productos calentada (1) para eliminar al menos una sal (1b) y obtener una solución que comprenda al menos un derivado del ácido (tio)fosfórico (1a), al menos un derivado polar solvente (1c) y opcionalmente el al menos un neutralizador de HCI (1d); (c) provocar la formación de sólidos por cristalización o precipitación de al menos un derivado de ácido (tio)fosfórico (1a) de la solución obtenida evaporando parcialmente al menos un disolvente (1c) de la solución o enfriando la solución y (d) aislar el material sólido separando el material sólido de las aguas madres, lavarlo y secarlo.
Abstract:
A composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2N-P(X)(NH2)2, wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered satu- rated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (L1 ) at least one amine selected from the group consisting of (L10), (L11 ), (L12), (L13), (L14), (L15), (L16), (L17), (L18), (L19), (L20), (L21 ), (L22), (L23), (L24), and (L29).
Abstract:
A composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2N-P(X)(NH2)2, wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered satu- rated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (L1 ) at least one amine selected from the group consisting of (L10), (L11 ), (L12), (L13), (L14), (L15), (L16), (L17), (L18), (L19), (L20), (L21 ), (L22), (L23), (L24), and (L29).
Abstract:
A composition comprising:(A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R 1 R 2 N-P(X)(NH 2 ) 2 ,whereinXis oxygen or sulfur;R 1 is a C 1 to C 20 alkyl, C 3 to C 20 cycloalkyl, C 6 to C 20 aryl, or dialkylaminocarbonyl group;R 2 is H, orR 1 and R 2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further het-eroatoms selected from the group consisting of nitrogen, oxygen, and sulfur,and (L1) at least one amine selected from the group consisting of (L14) and (L15).
Abstract:
Una composición que comprende: (A) una mezcla que comprende al menos una triamida del ácido (tio)fosfórico de acuerdo con la Fórmula general (I) R1R2N-P(X)(NH2)2, en donde X es oxígeno o azufre; R1 es un grupo C1 a C20 alquilo, C3 a C20 cicloalquilo, C6 a C20 arilo, o dialquilaminocarbonilo; R2 es H, o R1 y R2, junto con el átomo de nitrógeno que los une, definen un radical heterocíclico saturado o insaturado de 5 o 6 miembros, que comprende opcionalmente 1 o 2 heteroátomos adicionales seleccionados del grupo que consiste en nitrógeno, oxígeno y azufre, y (L1) al menos una amina seleccionada del grupo que consiste en (L10), (L11), (L12), (L13), (L14), (L15), (L16), (L17), (L18), (L19), (L20), (L21), (L22), (L23), (L24) y (L29).