Resources Contact Us Home
Multi-fiber alignment package for tilted facet optoelectronic components

Image Number 2 for United States Patent #5026138.

A method of compensating for the angular coupling of optical fibers to a tilted facet optoelectronic component involves a precise calculation of the coupling angle with respect to the active layer of the component and with respect to the side walls of the package in which the component is to be mounted. With these angles computed, the tilted facet component is positioned on a carrier at an offset to the perpendicular such that input/output fibers can exit the component package perpendicularly to its sidewalls. The component is secured to the carrier by a solder having a high melting point such that subsequent soldering of parts to the carrier will not affect the component positioning. A localized cooling method then allows the sequential alignment and soldering of one optical fiber at a time to the offset tilted facet component, while previously aligned and soldered optical fibers are held fixed. This method utilizes the mechanical property of a sharp melting point eutectic alloy solder or a pure metal solder for the fiber connections and is effective for multi-fiber optoelectronic packages demanding stability and high precision. A package design for tilted facet optoelectronic components requiring multi-fiber alignment incorporates this feature of localized cooling internally. The package utilizing localized cooling method internally eliminates the tilted facet-optical fiber alignment problem, while providing standard lead configurations.

  Recently Added Patents
Light emitting device and light emitting device package
Method of making an array of nucleic acid colonies
Exposure method, exposure apparatus, and method for producing device
Dye sensitised solar cell
Endotracheal tube
Method and apparatus for radio antenna frequency tuning
Automatic adjustment of devices in a home entertainment system
  Randomly Featured Patents
Method of calibrating a scanning system
Electrical connector
Antimicrobial sutures
Spindle mount for rotary abrasive tools or the like
Solid-state imaging devices
Process for the partial combustion of cellulose spent liquor using twin fluid nozzle burner
Rotary joint with shear pins
Cyclic silylureas and process of preparation
Field effect transistor and high-frequency power amplifier having same
High resolution micromachining of organic crystals and optical modulators formed thereby