作为电子工程重要器件之一的石英晶体器件,近年来在国民经济调整方针的指引下,正在稳步前进。从数量到质量均在逐步发展和提高中。除军品外,民品也在增多,并在技术上创出新水平。大家知道,石英晶体的“压电效应”是 Quartz crystal devices, one of the most important electronic engineering devices, are steadily advancing in recent years under the guidance of the principle of national economic readjustment. From quantity to quality are gradually developing and improving. In addition to military products, there is an increase in civilian products and a new level in technology. We all know that the “piezoelectric effect” of quartz crystal is