It is but natural for ambitious people to focus on their personal goals, lifelong dreams and innermost desires that they have been yearning for ever since they were just young tykes dreaming of a better life because this gives them the motivation to push harder than the rest especially on disappointing days when they feel like giving up, kicking the bucket and throwing in the towel. And that is why more often than not, people act like busy bees flitting from flower to flower to build their hive and serve the queen without thinking about other people around them and the greater good of their fellowmen. This kind of selfish action and apathy towards the problems and plights of other folks around them must change immediately or else the future generations will inherit nothing but an emotionless society who could not careless for one another. With that said, governments and private institutions should dole out and give R&D grant every now and then that is specifically focused on solving pressing problems and immediate concerns that plague people around the world especially those who are financially strapped and incapable of supporting themselves because of different issues that tie their hands behind their back in more ways than one. This way, everyone would be given a fresh start, a blank slate and a better fighting chance to change their life for the better and live the rest of their days chasing after the dream life that they have been earnestly hoping for ever since they were just young kids wishing for better days ahead. And the first step in doing that is by using government research grants in worthwhile projects that will help people get up on their feet and move forward in the right direction. First of all, instead of wasting billions of dollars in the arms race to invent weapons of mass destruction that leave countless casualties and broken families in their wake, researchers and scientists should focus on the medical field as they develop amazing cures for deadly diseases and horrible afflictions. Debilitating health conditions and ailments like diabetes, autoimmune deficiency and cancer claim millions of lives each year and this can really throw the lives of entire families into the woodchipper because their whole world is turned upside down and inside out. Effective medicines, reliable procedures and optimal operations in hospitals and medical centres will give a lot of patients a new lease in life and they can return the favour by passing the good deed forward and igniting a change that will affect the lives of people around them in a positive way. Aside from using SME grants to make great strides, leaps and bounds in the medical field that will certainly improve the life expectancy of countless people around the world, inventors should also use their intellect and mental prowess to develop tools, devices and machinery that can reduce the pollution in this world, save the environment and conserve our natural resources. Last but not the least, space agencies and intergalactic institutions can also use funding from different investors to conquer the final frontier and look for another planet where people can settle down in case the human race needs to abandon ship and leave Earth for good.
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A fluid dispenser includes a dispense mechanism that provides for increased mechanical advantage. The dispense mechanism includes a lever member and an actuator. The lever member includes a first lever section that receives application of an input force and a second lever section that applies an output force to the actuator which leads to the dispense valve. The lever member and/or the actuator are configured to provide at least two contact points between the actuator and the second lever section during the course of a dispensing stroke such that the mechanical advantage provided at a first one of the at least two contact points is greater than the mechanical advantage provided at a second one of the at least two contact points.
There is a new way to dispense fluid which is better and more efficient, it is called jetting technology. In jetting, fluid is rapidly ejected through a nozzle in discrete droplets. Jetting is a preferred method for dispensing fluids for a number of reasons. This includes productivity increase through the reduction of up and down vertical height movement, improved resolution for dispensed fluid weight and volume, and high, controlled fluid flow rates. Jetting has evolved to become a standard production process equipment in many industries, and now accommodates a wide variety of fluids and applications. Everything from more intricate, emerging technologies — which include stacked die, fuel cells, LEDs, flat panel displays, and lab-on-chip — to MEMS packaging and more traditional packaging turn to an array of jet valves and complete dispensing systems with closed-loop process controls for mass production. This new jetting technology is also made by large pressure tank manufacturers all around the globe. Automated jetting for fluid dispensing in electronics assembly and precision manufacturing was pioneered in 1994 by ASYMTEK as a replacement to traditional needle dispensing. Improvements to production consistency, accuracy, repeatability, reliability, and speed have been driving jetting technology developments for years. Advances in jetting processes have made it the default fluid dispensing method for advanced package designs that require placing very small dots of fluid into tight spaces. The high cost of these packages demands an extraordinary degree of dispense-volume accuracy to ensure high production yield. With so many jet valve and jetting system options available today, the question turns from whether or not to use a jet, to one of which jetting system is best for a particular project, or which system is most versatile and addresses the widest variety of possible applications. Jetting is faster than traditional, contact-needle dispensing because Z- axis motion is not required for the dispensing and fluid break-off from the nozzle. The jet “flies” over the substrate and shoots precise, controlled volumes of material to form pre-programmed dots and line patterns. Additionally, because jetting enables larger dispense gaps between the nozzle orifice and the substrate and the fluid breaks off from the nozzle in a thin stream, dispensed fluid can be targeted closer to a component, or the edge of a die, and into tight places. This enables smaller keep-out zones around mounted board components, especially useful for under filling flip-chip, package-on-package (PoP) or stacked-die applications. To create different dot sizes, the jet hovers over one location, depositing additional dots. Actuation frequencies of most of today’s jet valves typically vary between 200 and 1000 dots per second, which enables quick multi-dot dispense patterns. |
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May 2018
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