Device including a carrier member, a semiconductor laser and leads
CA 2064319 A1 · Owner: Mayer, Hans-Peter · Inventors: Luz, Gerhard; Mayer, Hans-Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Device Including a Carrier Member a Semiconductor Laser and Leads, For the optical transmission of data opto-electronic, transducer modules are employed which serve as transmitter or receiver modules. In addition to other electrical components, the transducer modules include in particular, a, device equipped with a semiconductor laser (5) that serves either as transmitter or as receiver. The invention provides a device which includes a carrier member made of a ceramic material, preferably a block (1) of aluminum nitride. The leads are microstriplines (2 to 4). This device is suitable for transmissions in the GHz range. (Figure 1)
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 27, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 27, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.