Can anyone have experience of dip-pen nanolithography using AIST-NT SPM?

04 August 2025 0 6K Report

I want to make different structures on a substrate by using dip-pen lithography. Can I use a special software for precisely dropping of ink on the desired position?

Badges
Science topic

More Haseeb Ur Rehman's questions See All

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

How to enrich pig excreta for increasing nutrient quality organically ?

Pig slurry is rich in major and minor nutrients. Is there any way to improve / Enrich its manure quality to be used in agriculture organically ? please share your knowledge.

09 August 2024 5,605 2 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Unusual intensity drop in some sections of chromatograms in DDA?

Hi, we have measured tryptic peptides using both DDA and DIA method on QExactive. In DDA replicates i saw unusual intensity drops occurring at the same sections of chromatograms in DDA replicates...

07 August 2024 3,218 4 View

Leaf area of tomato ?

Hi How can this equation Ln(LA) = 1.038 + 0.89 ln(X) be applied to calculate the leaf area of a tomato? Can you explain with an example and what is the substitution of Ln and ln?

06 August 2024 2,508 2 View

Why did the authors extrapolate a phenotype that they experimentally proved in one bacterial strain across the whole genus of the organism?

I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...

05 August 2024 6,787 4 View

How to preform densitometry on SDS-page bands?

I ran a SDS-page of a bacterial lysate and I want to quantify protein concentration in a specific band. I was thinking of using a standards ladder or make some standards are different...

05 August 2024 9,805 3 View

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds?

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds

04 August 2024 3,019 3 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

What are the limitations and challenges of using machine learning for predicting concrete compressive strength in practical applications?

Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...

03 August 2024 2,546 2 View

Microchannel fabrication using Su-8 photolithography tear off after soft lithography?

I am using SU-8 2025 to generate a high aspect ratio microchannel. I made two microchannels with the properties of: 1. width = 10 um. height = 25 um. SU - 8 2025. 2. width = 15 um. height = 37.5...

27 May 2024 6,862 2 View

Can you suggest any software to draw shadow mask pattern for lithography?

I need some mask for UV photolithography. Can you suggest any software to draw those patterns with proper file format so that directly the file can be inserted and required pattern can be...

22 May 2024 9,449 3 View

What is the reason of pattern of lithography in center of wafer are thicker in comparison of edges of the wafer?

Hello When we pattern a mask in a wafer, after exposure we noticed that the length of our patterns in the center of our wafer is thicker in copmarison with edges of it. What is the reason and...

22 April 2024 6,796 4 View

Anyone can explain soft lithoraphy to me?

I'm studying about soft lithography. If I'm not mistaken, the process is almost the same with NIL. But the difference is NIL uses hard mask, and soft lithography uses a mold made of HMDS. My...

15 March 2024 2,960 0 View

Is it possible to thin a Si wafer with DRIE or KOH and then do lithography on that surface?

Is it possible to thin a Si wafer with SF6 DRIE or KOH and then do lithography on that surface? If it is possible, could you please provide some suggestions regarding the thinning process? Thanks...

13 February 2024 2,326 3 View

How can peel the PDMS from the Mold (Fabricated by metacrylite)?

I'm trying to cure a convex structure using PDMS with a Mold which is fabricated by methacrylate. In this process, I put a few amounts of PDMS into the Conex structure mold for curing. after 5...

05 January 2024 521 0 View

DMD based maskless lithography aerial image intensity distribution measurement?

Hello everyone I've been working on the improvement of the DMD based maskless lithography. I read somewhere else that in the UV/DUV lithography industry, in order to measure the aerial image...

30 November 2023 7,894 0 View

A problem about lithography?

I wanted to prepare a step using lithography and etching, but I found that the photoresist development time must be within a suitable time, otherwise a high spike will appear at the step when...

11 October 2023 786 4 View

I want to deposit 5 micrometers linewidth of metal on my substate using shadow mask in sputtering technique. please suggest is it possible?

Is it possible? if any manufacturer is there please suggest. Also, suggest any other method for low work function metal deposition in 5-micron linewidth (5 microns * 5 mm).

27 September 2023 3,497 3 View

Can anybody suggest how to make a hard mask from Ledit file for photo lithography?

I have only ledit file how to make hard mask for mask aligner. is this possible to do using laser writer or engraver. how to make pattern?

09 September 2023 903 1 View