Speaker diaphragm
First Claim
Patent Images
1. A speaker diaphragm composition which consists essentially of a polyamide resin reinforced with continuous fiber reinforcements and/or long fiber reinforcements, wherein said polyamide resin is formed from at least a ω
- -lactam monomer, polymerization catalyst and polymerization initiator, and wherein said polyamide resin contains 10 to 80% by weight of the continuous fiber reinforcements and/or long fiber reinforcements.
0 Assignments
0 Petitions
Accused Products
Abstract
Disclosed are a speaker diaphragm formed from a polyamide resin reinforced with continuous fiber reinforcements and/or long fiber reinforcements, and a production method therefor. The speaker diaphragm has high internal loss and excellent specific modulus so as to produce a large sound volume, and has reduced high frequency distortion, flat frequency characteristics and reduced sound distortion for the capability of faithfully reproducing low volume sound.
19 Citations
13 Claims
-
1. A speaker diaphragm composition which consists essentially of a polyamide resin reinforced with continuous fiber reinforcements and/or long fiber reinforcements, wherein said polyamide resin is formed from at least a ω
- -lactam monomer, polymerization catalyst and polymerization initiator, and wherein said polyamide resin contains 10 to 80% by weight of the continuous fiber reinforcements and/or long fiber reinforcements.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
Specification