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NY F84930




April 17, 2000

CLA-2-90:RR:NC:MM:114 F84930

CATEGORY: CLASSIFICATION

TARIFF NO.: 9002.90.9500

Mr. Richard T. Murray
Corning Incorporated
Corporate Transportation & Distribution
HP-ME-01-01
Corning, New York 14831

RE: The tariff classification of gain flattening filters and wideband devices from Korea

Dear Mr. Murray:

In your letter dated March 20, 2000 you requested a tariff classification ruling on optical components.

The gain flattening filters (GFFs) and the three port wideband devices (3P WB devices) are components of optical amplifiers. Optical amplifiers increase the distance that a light beam containing voice and data messages can travel through an optical fiber telecommunications network.

The GFF consists of a cylindrical housing in which are mounted an input collimator, a coated glass filter, and an output collimator. The collimators are subassemblies that hold and align an optical fiber and a lens. The collimators consist of an optical fiber, a glass ferrule, a lens and the housing. The purpose of the GFF is to equalize the strength of different optical signals or channels across the wavelength spectrum at the output of an optical amplifier.

The 3P WB device consists of a cylindrical structure in which is mounted the following components: the input collimator, coated glass filter, output collimator, and the housing to mount and protect the optical elements. The 3P WB device is stated to be almost identical in construction to the GFF with the exception that the 3P WB device has two fibers attached to one of the collimators.

The applicable subheading for the gain flattening filters and three-port wideband devices will be 9002.90.9500, Harmonized Tariff Schedule of the United States (HTS), which provides for lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts of or fittings for instruments or apparatus, other than such elements of glass not optically worked, other. The rate of duty will be 3 percent.

This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177).

A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Barbara Kiefer at 212-637-7058.

Sincerely,

Robert B. Swierupski
Director,

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