IP Library Granted Patent US 12679927
Granted Patent B2
US 12679927 · App. 18/403,732 · Granted Jul 14, 2026

Laminate, multilayer board, and manufacturing method of laminate

Inventor: Hung-Jung Lee (Taoyuan City, TW)
Assignee: AZOTEK CO., LTD.
C08G63/19B32B15/09B32B27/36C08G63/181C08G69/26C08G2250/00
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Quick Facts
Patent No.
US 12679927
App. No.
18/403,732
Granted
Jul 14, 2026
Kind
B2
Abstract

A laminate includes a liquid crystal polymer film and at least one metallic layer attached to a surface of the liquid crystal polymer film. The liquid crystal polymer film has a melting point greater than or equal to 345° C. The liquid crystal polymer film includes a liquid crystal polymer that is polymerized from reactants. The reactants include first monomers, second monomers, third monomers, fourth monomers, or combinations thereof. These first monomers are aromatic dicarboxylic acids, aliphatic dicarboxylic acids, or combinations thereof, these second monomers are aromatic hydroxycarboxylic acids, these third monomers are aromatic diols, aliphatic diols, or combinations thereof, and these fourth monomers are aromatic diamines, aromatic hydroxylamines, aromatic aminocarboxylic acids, or combinations thereof.

Claims (34)

1 . A laminate, comprising:

a liquid crystal polymer film having a melting point greater than or equal to 345° C., wherein the liquid crystal polymer film comprises a liquid crystal polymer polymerized from reactants comprising a plurality of first monomers and a plurality of second monomers and comprising a plurality of third monomers, a plurality of fourth monomers, or combinations thereof, the first monomers are aromatic dicarboxylic acids that are

 A 1 is a halogen group or an alkyl group, the second monomers comprise

 the third monomers are aromatic diols, aliphatic diols, or combinations thereof, and the fourth monomers are aromatic diamines, aromatic hydroxylamines, aromatic aminocarboxylic acids, or combinations thereof; and

at least one metallic layer attached to a surface of the liquid crystal polymer film.

2 . The laminate of claim 1 , wherein the liquid crystal polymer is polymerized from the aromatic diols, the aromatic dicarboxylic acids, and

3 . The laminate of claim 1 , wherein the liquid crystal polymer is polymerized from the aromatic dicarboxylic acids,

and the aromatic hydroxylamines.

4 . The laminate of claim 1 , wherein the liquid crystal polymer is polymerized from the aromatic dicarboxylic acids,

and the aliphatic diols.

5 . The laminate of claim 1 , wherein the liquid crystal polymer comprises the third monomers, and the third monomers comprise

or a combination thereof, A 3 and A 4 are independently a halogen group or an alkyl group, and A 5 is H, a halogen group or an alkyl group.

6 . A multilayer board, comprising

at least one single-sided board or at least one double-sided board; and

the laminate of claim 1 laminated on the at least one single-sided board or the at least one double-sided board.

7 . A method of manufacturing a laminate, comprising:

producing a liquid crystal polymer film from a liquid crystal polymer having a melting point greater than or equal to 345° C., wherein the liquid crystal polymer is polymerized from reactants comprising a plurality of first monomers and a plurality of second monomers and comprising a plurality of third monomers, a plurality of fourth monomers, or combinations thereof, the first monomers are aromatic dicarboxylic acids that are

 A 1 is a halogen group or an alkyl group, the second monomers comprise

 the third monomers are aromatic diols, aliphatic diols, or combinations thereof, and the fourth monomers are aromatic diamines, aromatic hydroxylamines, aromatic aminocarboxylic acids, or combinations thereof; and

forming at least one metallic layer to attach to a surface of the liquid crystal polymer film.

8 . The method of claim 7 , wherein the liquid crystal polymer is polymerized from the aromatic diols, the aromatic dicarboxylic acids, and

9 . The method of claim 7 , wherein the liquid crystal polymer comprises the third monomers, and the third monomers comprise

or a combination thereof, A 3 and A 4 are independently a halogen group or an alkyl group, and A 5 is H, a halogen group or an alkyl group.

10 . A method of manufacturing a laminate, comprising:

producing a first liquid crystal polymer film from a liquid crystal polymer having a melting point less than 345° C., wherein the liquid crystal polymer is polymerized from reactants comprising a plurality of second monomers and comprising a plurality of first monomers, a plurality of third monomers, a plurality of fourth monomers, or combinations thereof, the first monomers are aromatic dicarboxylic acids, aliphatic dicarboxylic acids, or combinations thereof, the second monomers comprise

 the third monomers are aromatic diols, aliphatic diols, or combinations thereof, the fourth monomers are aromatic diamines, aromatic hydroxylamines, aromatic aminocarboxylic acids, or combinations thereof, a first melting point of the first liquid crystal polymer film is T m , and T m is less than 345° C.;

heating the first liquid crystal polymer film with a heating process to form a second liquid crystal polymer film, the second liquid crystal polymer film having a second melting point greater than or equal to 345° C., wherein a heating temperature of the heating process is T m −40° C. to T m , and a heating rate of the heating process is 0.1° C./minute to 30° C./minute; and

forming at least one metallic layer to attach to a surface of the second liquid crystal polymer film.

11 . The method of claim 10 , wherein the liquid crystal polymer is polymerized from the aromatic dicarboxylic acids,

and the aromatic hydroxylamines.

12 . The method of claim 10 , wherein the liquid crystal polymer is polymerized from the aromatic dicarboxylic acids,

and the aliphatic diols.

13 . The method of claim 10 , wherein the heating temperature of the heating process is T m −15° C. to T m .

14 . The method of claim 10 , wherein the heating temperature of the heating process is T m −10° C. to T m .