TEW AMERICA is a top tier grower of quartz bars and specializes in leading edge development of miniaturized sizes for quartz based products. The primary markets served are cellular, networking and GPS for industrial and automotive applications. TEW AMERICA/Tokyo Denpa Co.,Ltd. is a ISO9001 certified company.

Crystal Oscillator

TEW's crystal oscillators are used in electronic and electronic communication equipment,as the generator of a control signal for stable frequency and time. In particular, the application for the terminal of satellite-mobile and for base station has been rapidly expanded.
TEW is supplying various crystal oscillators using highly reliable crystal units, circuit engineering, superior temperature compensation method and measuring method which is fostered by our long experience and activity.

Quartz Crystal Units

TEW's crystal units are designed to be applicable for the requirement
of high precision specification such as mobile communication or satellite communication.
TEW's world top class ultra-thin and ultra-miniature crystal are
available with high reliability of Seam sealed type and Au-Sn type.

Monolithic Crystal Filter

TEW crystal filters are widely used in communication systems and
are offered with a center frequency ranging from 10.7 MHz to 200 MHz.
TEW's thin-wafer technology has made it possible to make highly reliable filters for mobile communication systems now in use worldwide.

ZnO

ZnO has been used for various applications because of its superior properties.
Applications to light emitting devices are expected by using newly
developed ZnO single crystal.

Optical Products

TEW's optical Components are the products utilizing
the optical property (double reflection) of quartz crystal.
TEW is producing high grade optical components by using selected
defect-free grade synthetic quartz crystals.