US PATENT SUBCLASS 369 / 44.12
.~.~ Solid state optical element with plural dissimilar optical components (e.g., using I.C. block, etc.)

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

43  DF  WITH SERVO POSITIONING OF TRANSDUCER ASSEMBLY OVER TRACK COMBINED WITH INFORMATION SIGNAL PROCESSING {1}
44.11  DF  .~ Optical servo system {12}
44.12.~.~ Solid state optical element with plural dissimilar optical components (e.g., using I.C. block, etc.)

DEFINITION

Classification: 369/44.12

Solid state optical element with plural dissimilar optical components (e.g., using i.c. block, etc.):

(under subclass 44.11) Subject matter including a block of

material of an integrated chip, semiconductor or solid state nature with plural dissimilar optical components or at least one optical component with an additional electrical component combined therein.

(1) Note. Examples are acoustic beam deflector and tracking circuit are on the same block of material, or a diode laser and acoustic lens in the same block of material.

(2) Note. Plural lasers or lasing points of the same frequency/wavelength on a common substrate are not classified herein since they have similar structure, but may be classified in this Class, subclass 44.37 or 44.38. However, if they are of different structure (i.e. different laser types) combined in a common structure they are classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

44.37, or 44.38, for servo systems using plural beams.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), 13, 79 through 103 and 918 for incoherent light emitting injection luminescent devices, subclasses 80-85 for semiconductor light emitting sources combined with semiconductor light responsive devices, and subclasses 10, 11, 21, 53-56, 72, 113-118, 184 through 189, 225 through 234, 257, 258, 290 through 294, 414, and 431 through 466 for light responsive active semiconductor devices.

385, Optical Waveguides,

14, for an integrated optical circuit and subclasses 129+ for a planar optical waveguide.