US 7,518,294 B2
Manufacturing method of quartz crystal resonator, apparatus therefor, and quartz crystal resonator manufactured thereby
Kazushige Umetsu, Chino (Japan)
Assigned to Seiko Epson Corporation, (Japan)
Filed on May 11, 2005, as Appl. No. 11/126,983.
Claims priority of application No. 2004-151475 (JP), filed on May 21, 2004; and application No. 2005-000411 (JP), filed on Jan. 05, 2005.
Prior Publication US 2005/0258146 A1, Nov. 24, 2005
Int. Cl. H01L 41/08 (2006.01); H01L 41/22 (2006.01); H04R 17/00 (2006.01)
U.S. Cl. 310—361  [29/25.35] 11 Claims
OG exemplary drawing
 
1. A method for manufacturing a quartz crystal resonator, the method comprising:
altering a height of a crystal chip step by step by applying a laser beam that is absorbed into a quartz crystal to the crystal chip, the laser beam being applied step by step from an inboard portion of the crystal chip to an outboard end of the crystal chip.