# US 12,006,308 B2 · Adhesive composition for semiconductor circuit connection and adhesive film containing the same

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- Number: US 12,006,308 B2
- Document ID: US12006308B2
- Status: Granted
- Kind: B2
- Application number: 17/047,551
- Filed: 2019-10-22
- Published: 2021-04-22
- Granted: 2024-06-11
- Earliest claimed: 2018-10-23
- Assignees: LG Chem, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Youngsam Kim; Junghak Kim; Ju Hyeon Kim; Kwang Joo Lee
- Web page: https://patentgrep.com/patent/US12006308B2

## CPC

- C07D 403/12: linked by a chain containing hetero atoms as chain links
- C09D 163/00: Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09J 7/00: Adhesives in the form of films or foils
- C09J 7/30: characterised by the adhesive composition
- C09J 11/06: organic
- C09J 163/00: Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
- C09J 201/00: Adhesives based on unspecified macromolecular compounds
- H10P 72/00: Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10W 72/30: Die-attach connectors
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)
- H10P: GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10

## Abstract

The present disclosure relates to a polymer compound having a specific structure, including an acrylic resin having a functional group capable of mutual hydrogen bonding with an acrylic resin having imidazole, a resin composition for bonding semiconductors including a thermoplastic resin; a thermosetting resin; a curing agent; and the polymer compound having a specific structure, and an adhesive film for semiconductor produced using the same.

## Claims

### Claim 1

A compound represented by Chemical Formula 1:
wherein, in the Chemical Formula 1,
R and R′ are each independently hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms or a cyclic hydrocarbon having 3 to 8 carbon atoms, wherein the alkyl group, the aryl group or the cyclic hydrocarbon optionally contains a heteroatom,
each x is independently 1 to 50,
each y is independently 1 to 100 and
each z is independently 1 to 4.

### Claim 2 (depends on 1)

The compound of claim 1, wherein R is hydrogen, x is 1 to 6, y is 8 to 10, and z is 1 to 4.

### Claim 3 (depends on 1)

The compound of claim 1, wherein R is hydrogen, x is 1, y is 10, and z is 2.

### Claim 4 (depends on 1)

The compound of claim 1, wherein R is hydrogen, x is 6, y is 8, and z is 2.

### Claim 5 (depends on 1)

A method for preparing the compound of Chemical Formula 1 of claim 1, comprising reacting a compound of Chemical Formula 2 with a compound of Chemical Formula 3:
wherein, in the Chemical Formula 3,
R and R′ are each independently hydrogen, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms or a cyclic hydrocarbon having 3 to 8 carbon atoms, wherein the alkyl group, the aryl group or the cyclic hydrocarbon optionally contains a heteroatom, and
each z is independently 1 to 4.

### Claim 6 (depends on 5)

The method of claim 5, wherein in the Chemical Formula 3, R is hydrogen, R′ is a methyl group, and z is 1 to 4.

### Claim 7 (depends on 5)

The method of claim 5, comprising reacting 0.1 to 10 equivalent weights of the compound of Chemical Formula 3 with respect to 1 equivalent weight of the compound of Chemical Formula 2.

### Claim 8 (depends on 1)

The compound of claim 1, wherein the heteroatom is a halogen, O, N, S or P.

### Claim 9 (depends on 5)

The method of claim 5, wherein the heteroatom is a halogen, O, N, S or P.