Last week I showed some interesting images on the effects of annealing at a low temperature (700 C) with the susceptor.  Below are images from a wafer that was annealed at 700 C with a ramp rate of 10 C/s…

Last week, Dave carbonized some w501 samples for me so that I could look into discoloration with this new type of silicon stabilization. The carbonization recipe was: – 1 min 50:1 HF strip to form Si:H – Purge RTP with…

Last week, JP and I resurrected using TEOS as the backside pattern and experimented with using a thermal oxide as the first protective oxide layer (instead of a sputtered oxide).  The idea was to see how the reduced stress in…

This week, Christine and I have been trying to figure out if we can measure transport in the Tecan with the transwell inserts remaining within the 24-well plates.  Here is a schematic of our idea (with sodium fluorescein, Na-F, as…

Thanks to SiMPore’s push for TEM grids, we’ve produced a lot of amorphous material in the last month under different deposition conditions.  Below I’ve illustrated the different film structures resulting from depositing with and without substrate bias and heating. Without…

Christine and I have been using the present Corning 24-well plate definition in the Tecan for our experiments so far.  Yesterday I placed a pnc-Si chip in the (approximate) middle on the bottom of 1 of the 24-wells.  I did…

The last few times the spinned PDMS layers were much more uniform. The first picture below is with 1:100 diluted PDMS layer coated on it and the second one is a clean sample from the same wafer for comparison. The…

Before starting my transport project with the use of the Tecan, it was important to see how the Tecan worked with the sepcon and transwell kept in the well plate. The goals from this experiment were to: 1. Test for…

My previous post on Electroomosis theory describes the deviation between expected and calculated zeta potential using the Smoluchowski equation. In this post I will explain another method of solving for the zeta potential and I will consider the mistakes made…

Jim and I were wondering if we could “image” the membrane windows with the Tecan. A nice thing about the Tecan is that you can specify the number of measurements per well.  For example, in this study, I acquired a…