Copy from the VPHA website, as of 2026-07-19 (I copy the page exactly as it is, although obviously some links may be outdated)
*** COPY BEGINS, https://vph-ald.com/ALD-history-publications.html, 2026-07-19 ***
Sunday, 19 July 2026
(archiving VPHA website) The VPHA Blog page of vph-ald.com, as of 2026-07-19
Copy from the VPHA website, as of 2026-07-19 (I copy the page exactly as it is, although obviously some links may be outdated)
*** COPY BEGINS, https://vph-ald.com/vphablog.html, 2026-07-19 ***
(archiving VPHA website) The VPHA open files page of vph-ald.com, as of 2026-07-19
Copy from the VPHA website, as of 2026-07-19 (I copy the page exactly as it is, although obviously some links may be outdated)
*** COPY BEGINS, https://vph-ald.com/VPHAopenfiles.html, 2026-07-19 ***
(archiving VPHA website) The Publication Plan page of vph-ald.com, as of 2026-07-19
Copy from the VPHA website, as of 2026-07-19 (I copy the page exactly as it is, although obviously some links may be outdated)
*** COPY BEGINS, https://vph-ald.com/Publication%20Plan.html, 2026-07-19 ***
(archiving VPHA website) The Home page of vph-ald.com, as of 2026-07-19
Copy from the VPHA website, as of 2026-07-19 (I copy the page exactly as it is, although obviously some links may be outdated)
*** COPY BEGINS, https://vph-ald.com/, 2026-07-19 ***
Virtual Project on the History of ALD (VPHA)
VPHA is an open collaborative effort, whose goal is to clarify open questions related to the early history of the Atomic Layer Deposition (ALD) thin film deposition technique. VPHA was launched in July 2013. VPHA is based on voluntary efforts, and anyone interested in the history of ALD is welcome to join. All VPHA activities are made in an atmosphere of openness, respect and trust.
Key VPHA links:
VPHA website really to retire in Aug 2026
Continuing on the previous post (of three years ago!), https://aldhistory.blogspot.com/2023/07/vpha-website-likely-to-retire-in-aug-2024.html, it is time to declare to whoever is interested that the VPHA website, http://vph-ald.com, will go down. When exactly, I don't know, but probably some time in August 2026.
Why to let the VPHA website go down? VPHA is no longer active since a few years (2022, to be specific). We have achieved our goals (in addition to the previous post's contents, see also the scientific articles https://iopscience.iop.org/article/10.1149/08606.0003ecst and https://doi.org/10.1021/acs.chemmater.5c01919). The next payment for the website (of multiplied prices since setting it up) would be due soon, and I no longer see a reason to pay.
Provided that there are contents on the website you/anyone would like to save, please go ahead and save them in your personal locations. I will go through the contents, too, but I make no promises to be able to recover contents afterwards upon anyone's request.
Good news is that this ALD History Blog, which is separate from the VPHA website, will stay up. The ALD History Blog has been viewed over 400 000 times already! I might still occasionally post something, and guest posts on topics related to the blog remain welcome.
In Garching bei München, Germany, 19.7.2026
Riikka Puurunen
Virtual Project on the History of ALD (VPHA) - in atmosphere of Openness, Respect, and Trust
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