Introduction
Our design project is over anti-finger smudge technology. This technology has been a major subject of research with the advent of hand-held, touch screen devices such as phones and tablets. Anyone who has held a mobile phone or handheld game knows that in a short period of time, the glass display becomes visibly dirty without anti-smudge coatings. Unwanted finger print smudges on touch screen surfaces significantly reduces the performance and utility of the device, as well as the quality of the image and the enjoyment of the user.
Smudges are composites of materials resulting from contact with human skin and from being stored in pockets. The goal of anti-finger smudge technology is to minimize and/or eliminate finger smudges on touch screens, making them easier and more enjoyable to use. Another unexpected but beneficial effect of the anti-fingerprint smudge coatings is that because they are easy to clean, they are less likely to harbor bacteria and other pathogens, thus inhibiting the spread of disease. Anti-reflective coatings are very popular today because they enhance the contrast of high resolution displays, but an unfortunate side effect of their usage in touch applications is that fingerprints are especially visible on the surface of such low-reflective screens.
Current anti-finger smudging technology typically involves a clear screen or film often applied using vacuum suction. These coverings are hydrophobic, oleophobic and lipophobic in nature, which discourages the buildup of oily fingerprints and smudges. Another method of reducing fingerprints and smudges is to use chemical structures that increase surface tension, thereby spreading oily deposits on contact. Rather than b...
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SpecialChem editor, (2009). Dow Corning presents "Advances in Anti-Fingerprint Coatings" at ABRAFATI 2009’s 11th International Coatings Congress. SpecialChem. Retrieved from: http://www.specialchem4coatings.com/news-trends/displaynews.aspx?id=11985
SRI International. ( 2010). Anti-Smudge Coatings.
Retrieved from: http://www.sri.com/engage/products-solutions/anti-smudge-coatings
SRI International. (2010). Anti-Smudge Coatings, Easy-to-Clean Products Coatings.
Retrieved from: http://www.sri.com/sites/default/files/brochures/sri_antismudge_coatings.pdf
Sview. Anti-Fingerprint Film for Galaxy Note, Image.
Retrieved from: http://sviewfilm.com/product/screen-protector/anti-fingerprint-film/anti-fingerprint-film-galaxy-note-2
UltraTech International, Inc, (2012). Ultra- Ever Dry.
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The history of fingerprint identification dates back all the way to the 200s BC. Ancient Chinese history shows details of using handprints as evidence in investigations of burglaries all the way back to 221-206 BC. Fingerprinting has been a major component in identification for crime scene investigations and law enforcement for centuries.
Enhancing workflow requires addressing user needs, user experiences, system operability and support. It is possible to create technology that addresses hand hygiene compliance. According to a survey from Lippinocott Solutions (2014), two-thirds of nurses use a mobile device during work. The survey polled 1,921 nurses to reveal the most popular mobile device while working were smart phones and tablets (Lippinocott Solutions, 2014). Since these smart devices are already in heavy use, creating applications that record hand
Fingerprinting information varies in numerous ways. Each person’s fingerprints are different in someway (Unique). The technical term is actually “DNA fingerprinting” because us as a person obviously cant just take a look at a fingerprint and see the difference; we must analyze the actual DNA behind it. Sometimes a miss concept of most people is, that fingerprints stay perfectly fresh for extended periods of time. Partial fingerprints and even degraded full fingerprints can turn up to be useless sometimes. Fingerprints are not admissible if they are 99.9% sure, they must be 100% or a Forensics lab will not support them. DNA Fingerprinting, and the fingerprints that are at the tips of your actual fingers are two different things. The ones we a...
The art of polishing nails has been around for centuries for both men and women. Nail polish or nail stain, as it was known for many years ago, started out being natural in formula. However, as the years have progressed, nail polish formulas have become more intricate including chemicals. As the years have passed, the color and purpose of polishing nails has expanded to not only nobles or those of high rank/station, but also everyday people. There are many different ingredients in today’s nail polishes. It is important to know which ingredient correlates with the four primary qualities of nail polish, specifically the ingredient that is responsible for the drying-time. Red has become one of the most popular colors to paint nails. Essie,
The Mr. Clean Magic Eraser magazine advertisement advertises that “he fights dirty no matter how dirty dirty is”. The ad shows the cartoon, muscular, bald, hoop-earring wearing “Mr. Clean”, the embodiment of the brand, arms crossed over a spotless white t-shirt. The advertisement goes on, stating that “no matter where they are, tough messes don’t stand a chance when Mr. Clean’s Magic Eraser is part of your clean routine.” Above Mr. Clean, the advertisement shows the Magic Eraser cleaning up three different stains- food, magic marker, and soap.
Author: Clarence Gerald Collins (1995), Finger Print Science (pp: 163, 5). Press: Copper house Publishing Company
Fingerprint powders work best on nonporous surfaces that don’t absorb moisture like metal and steel. Both processes reflect the actual processes
A fingerprint is the pattern of ridges and related characteristics found on the finger pads, the fleshy parts of the fingers used for gripping and touching. A person's fingerprints are formed when they are a tiny developing baby in their mother's womb during weeks 10-24. Pressure on the fingers from the baby touching is called "friction ridges", the faint lines you see on your fingers and toes.
James, Stuart H., and Jon J. Nordby. "Fingerprints." Forensic Science: An Introduction to Scientific and Investigative Techniques. Boca Raton, FL: CRC, 2005. 341-60. Google Books. Web. 27 Feb. 2014.
Anywhere you go in the world today, you see women with nails that are painted in so many different colors and designs. Nail polish dates back to the 1920’s when the first modern day nail varnish was invented by the Charles Revson Company. This particular invention has impacted the cosmetics market for women, because every women who wants to be stylish and express themselves in a fun way, buys nail polish. Nail varnishes have many components to make it both safe and user friendly. Some of the chemical components consist of: film forming agents and resins such as nitrocellulose, tosylamide and formaldehyde. Also, plasticizers are used for flexibility and solvents to keep the polish in a liquid form, along with different pigments for colors and shine. There are many more components that go into nail polish that will be explained later in this paper.
Judson, Olivia. (2008). Sticky fingers: fingerprints are one of the oldest biometric measures of identity. What do we actually know about them? Natural History. 117.10. p16.
Powder dusting relies upon physical adherence of the powder to the sticky sebaceous components of the fingerprint residue (2). Many different types of fingerprint powders are present today such as black, white, fluorescent, or magnetic fingerprint powders, which are used to make the latent fingerprints visible (5). Each powder has a different effect on the prints and they are used depending on the surface and environment on which the prints were found. In addition, small particle reagent is the most effective for enhancing prints on wet surfaces. The issue with dusting is that the application of powder with a brush can have destructive effects on ridge detail of the fingerprint (2).
The new breakthrough technique that has been catching attention is the use of conformal-evaporated-film-by-rotation (CEFR). This approach looks at the geometry rather than the chemistry of each fingerprint. “Latent, sebaceous fingerprints were deposited on forensically relevant substrates, and then CTFs were deposited on these latent fingerprints using the conformal-evaporated-film-by-rotation (CEFR) technique. The specific objective of this basic research was to investigate the fundamental scientific and physical characteristics required to use CTFs to capture and visualize latent, sebaceous fingerprints by identifying the necessary CTF materials and deposition conditions required to develop fingerprints on selected forensically relevant substrates” (Shaler & Lakhtakia, The Acquisition of Sebaceous Fingerprint Topology Using Columnar Thin Films (CTF) on Forensically Relevant Substrates, 2013). For this research to even become helpful they had to test it out. “The research design included a comparison of CTF-developed prints with traditionally developed fingerprints on the same substrates, with minimum variability of
The three different main types of fingerprints are Loops, Arches, and Whorls (Jackson 1). Henry Faulds is known as the Father of Fingerprints and developing fingerprints (Jackson 1). His discovery of fingerprints has made a huge impact not only in his time but, in Modern Crime Scene Investigation (Jackson 1). Without fingerprinting, it would be very difficult to convict criminals of crimes and very hard to try to process information. Crime Scene Investigators make a huge impact in Forensic Science. We need CSI workers, without them people could only imagine what crime would be like not only in our community, but in our
Fingernail polish remover has been around for quite sometime now, some may even say a hundred years (S). It “may lose potency”, but it may never go a bad (Dodd). Remover was invented by Michelle Menard and has continued to be a constant use in everyday lives (S). There are all different kinds of ingredients in fingernail polish remover depending on the brand, but the main ingredient for most fingernail polish removers is either the combination of ethyl acetate and isopropyl alcohol or ethyl acetate (What are the ingredients in nail polish remover). The repeated use of fingernail polish remover has lead me to wonder what the process of fingernail polish remover actually is and so many more questions.