tag:blogger.com,1999:blog-19092890.post9100781726576874114..comments2024-03-28T17:41:43.970+02:00Comments on Image Sensors World: Alexima Applies for GS Pixel with Tri-State Transfer Gate PatentVladimir Koifmanhttp://www.blogger.com/profile/01800020176563544699noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-19092890.post-82740195278380003432015-02-04T23:17:20.408+02:002015-02-04T23:17:20.408+02:00Middle level does not pin the surface and dark cur...Middle level does not pin the surface and dark current will be huge while containing charges.<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-19092890.post-25981612888685440062014-12-30T14:52:17.285+02:002014-12-30T14:52:17.285+02:00Oh, duh. This structure would be very good for To...Oh, duh. This structure would be very good for ToF sensors with CDS output, especially with multiple output ports tied to the same PPD (like our old Photobit patent Alex!). Eric R Fossumhttps://www.blogger.com/profile/09740612324630105312noreply@blogger.comtag:blogger.com,1999:blog-19092890.post-80980487028563753522014-12-26T16:43:36.390+02:002014-12-26T16:43:36.390+02:00I remember well that in SONY interline CCD, one of...I remember well that in SONY interline CCD, one of the vertical phases use 3-level signal. One (low) for barrier during integration, one (high) for charge readout and other (mid) for vertical charge shift. <br /><br />-yang niAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-19092890.post-20339846348064313962014-12-26T16:23:56.510+02:002014-12-26T16:23:56.510+02:00Indeed, the TX shown here is effectively a "p...Indeed, the TX shown here is effectively a "pump gate" operation except that the well depth difference is created by the P doping and in Aptina case, it is created by the N doping on the opposite side. <br /><br />-yang niAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-19092890.post-38015194787746106652014-12-26T02:56:33.911+02:002014-12-26T02:56:33.911+02:00Sony, Aptina, Alexima.. others? How far is it from...Sony, Aptina, Alexima.. others? How far is it from real product in Aptina and Alexima case?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-19092890.post-21243572951884718122014-12-25T20:37:46.158+02:002014-12-25T20:37:46.158+02:00It's just a way to create different dosage, so...It's just a way to create different dosage, so that PD area gets 511 and 205 dosage together, while parts of AB and Tx gates get only 511.Vladimir Koifmanhttps://www.blogger.com/profile/01800020176563544699noreply@blogger.comtag:blogger.com,1999:blog-19092890.post-23956774948012700542014-12-25T18:35:43.485+02:002014-12-25T18:35:43.485+02:00I also like this idea but there may be a drawback ...I also like this idea but there may be a drawback or two. <br /><br />It is similar in structure to a previous Aptina paper co-authored by Jerry and presented at the 2013 IISW. http://www.imagesensors.org/Past%20Workshops/2013%20Workshop/2013%20Papers/Slides/12-1_Velichko_SLIDES.pdf<br />(see slide #19).<br /><br />This 2013 IISW paper also inspired the "pump-gate jot" that we proposed in our 2014 IEDM paper as a concept and which is in fab.<br /><br />Actually, I hope the Velichko et al paper wins the WKA. It was very good, in my opinion at least!Eric R Fossumhttps://www.blogger.com/profile/09740612324630105312noreply@blogger.comtag:blogger.com,1999:blog-19092890.post-61451472093299498172014-12-25T17:36:00.781+02:002014-12-25T17:36:00.781+02:00What is the utility of 205 please??What is the utility of 205 please??Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-19092890.post-32675051741259309902014-12-24T21:05:12.764+02:002014-12-24T21:05:12.764+02:00Nice idea, the combination of a 2-phase CCD gate (...Nice idea, the combination of a 2-phase CCD gate (under the transfer gate, also present in the IMX174 of Sony) and a virtual gate CCD (region 207). Not surprising because the inventor of the original virtual phase CCD is also mentioned as the inventor of this patent application, being Jerry Hynecek. Albert Theuwissennoreply@blogger.com