Spin Coating is a standard laboratory procedure which involves depositing thin films of materials, often polymers, uniformly on flat substrates by employing the concept of centrifugal force. The substrate needs to be rotated at high speed to achieve the desired thickness of the coating material.
Easy to use, safe and inexpensive, this method is extremely desirable for many applications where high quality of layers are required. Despite of the process simplicity, several experimental and theoretical investigations appeared in the literature explaining the dependence of the spin coating process on the electrical, optical and morphological characteristics of the films.In such a way that the control of the fluid flow and the fluid evaporation are essential to meet uniform thin films.Since both contribute to the overall rate of the thinning during spinning of the fluid on the substrate.For example, if there are no evaporation of the solvent, the film thickness at long time varies with spin speed and time.While in the presence of constant or variable solvent evaporation rates,Steady-State film thickness obeys h α Ω - ⅔ or h α Ω - ½.
EZspin & SpinNXG Series Overview
At Apex, we understand how important it is to be precise in such a process. So we bring to you two Spin Coater Series EZspin & SpinNXG which are not only remarkable for its high accuracy but also for being very user-friendly.
EZspinSD has a Teflon coated Working chamber of 6 inches diameter and also includes a transparent photo-resist safety lid over the Working chamber making spin coating a hassle free experience.
EZspinADV comes equipped with a Teflon coated work chamber of 8 inches diameter. It also has a transparent photo-resist safety lid over the Working Chamber to ensure smooth functioning every time the system is run.
Reproduciblity of film thickness in Spin Coating Process depends on precise rotational speed. Apex brings to its customers a new state-of-the-art spin coating system, model EZspin-A1 with unique speed range of 50 - 12000 RPM along with a load of other unique features.
Multi-speed spinning is an advanced process of Spin Coating. Thus we introduce an entry-level Programmable Spin Coater SpinNXG-P1. The 2 Preset editable programs allows the user to manage the spinning protocol upto 10 steps on each program. Thus affordability and easy to use firmware makes SpinNXG-P1 the best choice in this category.
SpinNXG-P1A is based on the performance and accuracy of SpinNXG-P1 with Teflon coated working chamber of 8 inches diameter. Besides it comes equipped with higher memory storage. It has 15 preset editable programs, each program has 20 steps to be used during multi-speed spin coating process. Thus it gives the user the freedom to use different programs for different protocol of experiment.
In this age of technology, computers are essentially inevitable. Thus, Apex brings to you a spin coater which is both PC controlled as well as standalone. SpinNXG-P1 AC is equipped with a Teflon coated working chamber of 8 inches diameter. It also has a transparent photo-resist safety lid over the Working Chamber.
Bigger Substrates are no longer a problem in Spin Coating. Apex brings to you SpinNXG-P2 which is made to handle Bigger substrates with ease even high rotational speeds upto 10000 RPM. Safety is a major concern when the angular momentum is big, thus SpinNXG-P2 comes pre-loaded with integrated Lid-Interlock ensuring safety during the coating process. It also houses an in-situ dispensing port over the photoresist Lid and houses a bigger graphical LCD console to display RPM V/s Time graph of the spin protocol in Real-Time.
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