Pentax 2004 Annual Report Download - page 14

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P
RODUCTION OF
GLASS DISKS
12
Looking ahead, Hoya is expanding its production structure and increasing efficiency in the line processes of the
plants it acquired, working to eliminate shortfalls in supplies of substrates and ensure that it will be able to fulfill its supply
responsibilities to customers. In terms of technology development, Hoya has developed practical applications for a recording
method known as perpendicular magnetic recording, which will allow for greater compactness and precision. Compared to
aluminum media, there are fewer restrictions on coating, high-temperature processing is possible, and there is greater
shock resistance, raising expectations for glass media. These products allow Hoya to take full advantage of its technologies
and expertise, and are expected to be one of the areas that will nourish the Company in the future.
OPTICAL GLASS
Hoya’s lineup of optical glass products includes the molded and polished lenses used in digital cameras and video recorders,
as well as glass materials for LCD projectors and interchangeable lenses.
Hoya is the only manufacturer in Japan that handles all aspects of production, from glass materials and lenses to lens
devices, and holds a significant advantage in terms of quality, cost and delivery time. The benefit to customers is that Hoya
is able to produce glass materials tailored to the specifications of each company, and develop a consistent strategy in terms
of design, production and supply. Sales rose during fiscal 2004, owing to brisk business in the market for finished products
employing optical lenses, mainly digital cameras. The rapid rise in demand outstripped capacity, however, and the Company
was not able to adapt sufficiently.
The glass disk production process is spread throughout Asia. Research and development,
along with melting of the glass and forming of the substrate, is done in Japan. Precision
polishing of the substrate is performed in Thailand, and in the Philippines at facilities
acquired from Nippon Sheet Glass Co., Ltd. Application of the magnetic coating, and
preparation of the finished product (media) is done in Singapore.
HOYA 2004-e 入稿用0705 04.7.22 7:59 PM ページ 13