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Vi Systems Gmbh patents

Recent patent applications related to Vi Systems Gmbh. Vi Systems Gmbh is listed as an Agent/Assignee. Note: Vi Systems Gmbh may have other listings under different names/spellings. We're not affiliated with Vi Systems Gmbh, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Vi Systems Gmbh-related inventors

Low capacitance optoelectronic device

An optoelectronic semiconductor device is disclosed wherein the device is a vertical-cavity surface-emitting laser or a photodiode containing a section, the top part of which is electrically isolated from the rest of the device. The electric isolation can be realized by etching a set of holes and selective oxidation of algaas layer or layers such that the oxide forms a continuous layer or layers everywhere beneath the top surface of this section. ... Vi Systems Gmbh

Reliable high-speed oxide-confined vertical-cavity surface-emitting laser

An oxide-confined vertical cavity surface emitting laser including a distributed bragg reflector (dbr) wherein the layers of the (dbr) includes a multi-section layer consisting of a first section having a moderately high aluminum composition, an second section which is an insertion having a low aluminum composition, and a third section which is an oxide-confined aperture formed by partial oxidation of a layer having a high aluminum composition (95% and above). A difference in aluminum composition between a high value in the aperture layer and a moderately high value in the first section prevents non-desirable oxidation of the first section from the mesa side while the aperture layer is being oxidized. ... Vi Systems Gmbh

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Vi Systems Gmbh in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Vi Systems Gmbh with additional patents listed. Browse our Agent directory for other possible listings. Page by