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Postby Fengjingye » Fri Dec 08, 2017 2:51 pm

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Among the more popular of these is the Gold Etching process that is primarily used for printed circuit boards. Depending on the depth of etch required, various IodineIodide compounds may be used for the process. In addition, selectivity, temperature, agitation and device design may also be used as variables that increase the etch rate and specificity of the compounds used in the process. Several other metals can also be etched in much the same way, but with compounds designed specifically for those metals.

The basic etching process involves 5 steps: cleaning, masking, scribing, etching and de-masking.

Cleaning

This is essentially a preparatory part of the etching process that removes contaminants like oils, coatings, markings, grease, etc. Typically Wholesale Manchester United Jersey , no material is physically handled by humans after the cleaning process due to possible re-contamination of the surface from body oils, sweat, etc. The process is carried out by either applying a solvent to the surface or immersing the material in a de-oxidizing liquid or an alkaline cleaning solution. The end-result is a contaminant-free surface that is ready for the next step – masking.

Masking

This part of the process involves applying an inert substance known as a maskant to the entire surface of the material to be etched. The maskant should adhere to the surface in order to help define the etching area; however, excessive adhesion will make the next step – scribing – difficult, and low adhesion may lead to poor etching definition. Maskants may be wet or dry, depending on the requirement.

Scribing

This step involves removing the maskant from the specific areas that are to be etched away. Etching needles and scribing knives are typically used for this, and for more complex etching needs, automated templates are normally used.

Etching

The actual etching step is next. Wet or plasma etching may be done at this point, and the process needs to be monitored and controlled to ensure accuracy of the etching desired. Immersion is one of the most common processes, and this involves dipping the entire masked and scribed material in a tank full of etching liquid for a specific time and at a specific temperature that will achieve the desired results. The Au-5 compound developed by Cyantek is one of the most popular products for gold etching with high etch rates – typically in the range of 4,900 to 6,600 Amin, depending on the deposition type.

De-Masking

The final step in the etching process is the removal of the maskant Wholesale Manchester City Jersey , and this is primarily a physical rather than chemical process. However, de-oxidizing baths may also be used as part of the de-masking process to ensure a coating-free etched surface.
Here Are Proven Strategies On Promoting Your Wedding Consulting Firm Here Are Proven Strategies On Promoting Your Wedding Consulting Firm May 27, 2013 | Author: Chad Nixom | Posted in Business
It is quite easy to forget to innovate when your wedding planning and consulting business is flourishing. Even though your wedding planning agency may be in excellent condition, financially and otherwise, technology and other innovations might be taking place and you may not be aware of them. Read the following strategies in order to become a better business owner.


Wedding Planning Businesses should always make it a common practice to go over all wedding planning agency forms. It looks unprofessional to send out a form that shows an update at the bottom 5 years ago. When many people see that it makes me feel that the wedding planning and consulting business isn’t staying up to date. Even if you don’t make changes on the forms, update the date to reflect a current release.


Always consider the needs of your customers. If you wish to succeed, make it your primary concern to keep your customer satisfied. This will give your wedding planning and consulting business a boost.


Without customers, you cannot sell anything at your wedding planning and consulting business. However, customers do not come if they do not know about your business. Finding free ways to advertise is very important when your business is just starting out. Online directories are usually free and will lead a lot of people to your wedding planning agency.


Make sure that all publications are correct when produced. Typos are very unattractive in the professional field. Customers expect efficient and dependent information from your website and you.


Customers need to know that they can rely on you to be consistent in your products and services. Without consistency there will be buyer disappointment and people will be less likely to patronize you in the future. Show them they can rely on you.


Forging a partnership with another wedding planning and consulting business can be difficult. Make sure everyone is working toward a common goal in order to make effective business decisions.


If you love to learn more about growing your wedding planning and consulting business, conferences are a great place to do it. Conferences allow you to learn more about what is trending in the business world and what new things have been introduced. They also allow you to make connections that can help your business.


It can be hard to come by good spaces for advertising. If you are in a highly populated area there may not be much free space. Think about collaborating with other wedding planning and consulting businesses in the area to spread the word about your business.. Cheap NBA Jerseys Wholesale Jerseys China Wholesale Hockey Jerseys Cheap NFL Jerseys Wholesale Jerseys Wholesale Jerseys Wholesale Jerseys Wholesale NFL Jerseys China Wholesale Soccer Jerseys From China Cheap Jerseys From China
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