Mitsubishi Gas Chemical Company, Inc.

Yune Kumazawa

Takuya Suzuki

Seiji Shika

Shunsuke Katagiri

The compound (A) is represented by formula (1).RO—R—OR  (1) (In formula (1), each Rindependently represents a group represented by formula (2), or a hydrogen atom, and Rrepresents a linear or branched alkylene group having 1 to 16 carbon atoms, or a linear or branched alkenylene group having 2 to 16 carbon atoms, provided that at least one Ris a group represented by formula (2).) (In formula (2), -* represents a bonding hand.).

Compound, method for producing same, resin composition, resin sheet, multilayer printed wiring board, and semiconductor device

An object of the present invention is to provide a resin composition which has excellent photocurability for various active energy rays without inhibiting photocuring reaction in an exposure step, and can confer excellent alkaline developability in a development step, when used in the fabrication of a multilayer printed wiring board, while the resulting insulation layer has excellent adhesiveness to an adhesive metal such as titanium; and a resin sheet, a multilayer printed wiring board, and a semiconductor device. The resin composition of the present invention is a resin composition containing: a bismaleimide compound (A) containing a constituent unit represented by the following formula (1), and maleimide groups at both ends of the molecular chain; and an imidazole compound (B) represented by the following formula (2):

Resin composition, resin sheet, multilayer printed wiring board, and semiconductor device

A resin composition of the present invention contains: a maleimide compound (A) having a transmittance of 5% or more at a wavelength of 405 nm (h-line); a particular carboxylic acid containing compound (B); and a photo initiator (C) having an absorbance of 0.1 or more at a wavelength of 405 nm (h-line).

A compound (A) of the present invention is represented by the formula (1): wherein each Rindependently represents a group represented by the formula (2) or a hydrogen atom, and each Rindependently represents a hydrogen atom or a linear or branched alkyl group having 1 to 6 carbon atoms, provided that at least one Ris a group represented by the formula (2); and wherein -* represents a bonding hand.

Compound and method for producing the same, resin composition, resin sheet, multilayer printed wiring board, and semiconductor device

A resin composition of the present invention is a resin composition containing a bismaleimide compound (A) containing a constituent unit represented by the following formula (1), and maleimide groups at both ends of the molecular chain, at least one resin or compound (B) selected from the group consisting of a maleimide compound other than the bismaleimide compound (A), a cyanate compound, a benzoxazine compound, an epoxy resin, a carbodiimide compound, and a compound having an ethylenically unsaturated group, and a photo initiator (C): wherein Rrepresents a linear or branched alkylene group having 1 to 16 carbon atoms, or a linear or branched alkenylene group having 2 to 16 carbon atoms; Rrepresents a linear or branched alkylene group having 1 to 16 carbon atoms, or a linear or branched alkenylene group having 2 to 16 carbon atoms; each Rindependently represents a hydrogen atom, a linear or branched alkyl group having 1 to 16 carbon atoms, or a linear or branched alkenyl group having 2 to 16 carbon atoms; and each n independently represents an integer of 1 to 10.

Provided is a resin composition which has good solubility and photocurability, further has good alkaline-developability when containing a photo initiator and a compound containing one or more carboxyl groups, and in addition, is capable of providing a resin sheet having suppressed tackiness; and a resin sheet, multilayer printed wiring board, and semiconductor device using the same. The resin composition of the present invention contains a particular bismaleimide compound (A), and at least two maleimide compounds (B) selected from the group consisting of six kinds of particular compounds which are different from this bismaleimide compound (A).

The resin composition of the present invention is a resin composition containing: a bismaleimide compound (A) containing a constituent unit represented by the following formula (1) and maleimide groups at both ends of the molecular chain; a compound (B) containing one or more carboxy groups; and a photo initiator (C). In the formula (1), Rrepresents a linear or branched alkylene group having 1 to 16 carbon atoms, or a linear or branched alkenylene group having 2 to 16 carbon atoms. Rrepresents a linear or branched alkylene group having 1 to 16 carbon atoms, or a linear or branched alkenylene group having 2 to 16 carbon atoms. Each Rindependently represents a hydrogen atom, a linear or branched alkyl group having 1 to 16 carbon atoms, or a linear or branched alkenyl group having 2 to 16 carbon atoms. Each n independently represents an integer of 1 to 10.

The resin composition of the present invention contains a maleimide compound (A) represented by the following formula (1); and a photo initiator (B) having an absorbance of 0.1 or more at a wavelength of 405 nm (h-line).  In the formula (1), R, R, and Reach independently represent an alkyl group or an alkoxy group which may have a hydrogen atom, a halogen atom, a hydroxyl group, or a substituent, Rrepresents an alkylene group, an alkenylene group, an alkoxylene group, or an arylene group which may have a substituent, and Rand Reach independently represent a hydrogen atom, a linear or branched alkyl group having 1 to 6 carbon atoms, or a linear or branched alkenyl group having 1 to 6 carbon atoms.

A resin composition of the present invention contains: a maleimide compound (A) having a maleimide functional group equivalent of 300 g/eq. or more, and a transmittance of 1% or more at a wavelength of 405 nm (h-line); a maleimide compound (B) having a maleimide functional group equivalent of less than 300 g/eq.; and a photo initiator (C) having an absorbance of 0.1 or more at a wavelength of 405 nm (h-line).

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Tokyo, Japan

Yune Kumazawa