Most frequent questions and answers
- IoT Sensor
- Thermal Materials
- Industrial Adhesives & Tapes
- Specialty Fluids
IOT SENSORS are new-age next-gen sensors that collect data about a real-time variable in a measurable way. Such sensors enable IOT platforms to work intelligently with the data being shared across all connected devices across the network. The objective is to use data from the
surroundings to enable everyday devices to function autonomously smartly.
Modern businesses today depend on Internet-of-Thing sensors to prevent downtime and engage in predictive maintenance. The data gathered helps leaders to understand significant
trends and make informed decisions. Multiple such sensors are used to design solutions for our smart homes, automate vehicles, enable seamless healthcare, and large-scale
manufacturing.
There are ten popular IOT SENSORS that get used in building IOT applications. These are Noise sensors, Temperature sensors, Gyroscope sensors, Image sensors, Chemical sensors,
Gas sensors, water-quality sensors, Humidity sensors, Motion sensors, and Optical sensors. These types are categorized based on the stimuli that they receive- sound, temperature, and so
on.
Optical sensors absorb light stimuli. They are used in the automobile and healthcare industry.
For example, optical sensors in vehicles help in recognizing objects nearby, and in developing smart parking apps. These sensors are used in making different testers and
equipment used for assessing the performance of different organs of the body.
Temperature sensors sense heat or temperature changes; while humidity sensors are able to detect the presence of water vapour in the air. Temperature sensors are mostly used in shop floor machinery while humidity sensors are used in HVAC systems and in meteorology offices for predicting weather conditions.
Motion detectors are able to detect motion or movement of objects, humans, or animals. To a
great extent such sensors are used in the security industry – for example automated gates or security alarms to prevent unauthorized intrusion in smart homes. Motion sensors are also used in watches that help detect location changes.
These sensors help detect water quality. They are used by government bodies, researchers, and businesses in detecting the presence of harmful micro-organisms in potable water. Such
sensors also play a key role in maintaining aquatic and marine life. In smart homes, hotels, and wellness centres, these sensors help in visitor safety in swimming pools.
Gyroscope sensors detect velocity or speed and are used in the automobile industry – for example, in-car navigation and anti-skid systems. These are used by the gaming industry in video games. Gas sensors are able to understand the change in air quality. Carbon dioxide detectors in homes and industries use this sensor type.
Chemical sensors detect a change in chemical-levels in the atmosphere or liquids. These are used in the healthcare industry, for example, in blood pH tracker, and glucose monitoring devices. They also play a vital role in keeping a check on environmental pollution and in manufacturing industries.
Image sensors convert an image into a digitized signal. They are used in surveillance areas, in
the healthcare industry during patient diagnosis, in RFID tags, and barcode scanners. Noise sensors capture acoustic signals and are used by the construction industry and in smart homes for the safety of homes.
Electronic devices are made up of electronic components. These components and circuits
inside can generate heat while working. This heat needs to be effectively dissipated or else
there is a growing risk to the device and its components. Thermal management is required to
help prolong the life of these devices and prevent failures.
Fans and heat sinks are one of the commonly used devices in heat management. Metallic sinks are made from copper or aluminum or their alloys. Then there are silicone pastes, gap
pads, and filling materials. There are non-silicone pastes, gap pads, phase-change materials,
RTV, and bonding products.
The heat generated during the operation of the electronic device needs to be dissipated effectively. But, modern electronic devices have few common challenges like the device size, mobility, generation of a higher value of heat in IC chips, and the dense circuit boards or PCBs.
One way to control temperature change in an electronic device is to use a single fan or multiple fans, depending on the size and the functional aspects of the device. With fans, the airflow increases. For circuits that are in a confined area with fewer ventilation slots,
incorporating fans help reduce operating temperature.
Heat sinks are based on the principle that heat loss is directly proportional to the surface of the component. Heat sinks are made from metals like aluminum, copper, or their alloys or metals that are good thermal conductors. They help in the artificial increase of the surface
area.
When the entire unit is ventilated along with the heat sinks, the heat loss is much more effective. Heat sinks usually have a finned make; this is to add more surface area for greater and faster loss of heat. Synthetic diamond cooling sinks are now being used for greater efficacy.
Made from a good conductor of heat, heat spreaders are usually in the form of foil or plate that help spread the heat across a broader area. You would find them backing PCBs. With new-age technology, there are PCBs that do not use external plate – a metal layer is directly integrated onto the board.
This is another effective cooling device used in thermal management. They are hollow pipes, sealed at the ends, and having a coolant inside. The heat pipes are attached at one end to the source of heat and the other to the heat sink; the liquid inside helps transfer the heat from one end to the other.
The cold plates are thick metallic plates that are placed in between the source of the heat and
the heat sink or a coolant. The plate is used to enhance cooling performance. The heat source here first gets cooled due to the cold plate rather than being cooled by the fluid.
EFA is responsible for pumping in the air using the electric field rather than the movement of
a conventional fan. In the process, first air molecules are ionized, moving neutral molecules
in a particular direction, and neutralizing the ions. Since there are no moving parts, it is an effective thermal management technique.
INDUSTRIAL ADHESIVE & TAPES are called pressure-sensitive tapes. These tapes are quite aggressive and stick to most kinds of surfaces. To apply these sticky tapes, one does not
need to apply finger pressure. It is, however, important that while applying these tapes, firm
pressure is used or there could be cases of tape failure.
INDUSTRIAL ADHESIVE & TAPES are meant for creating a strong adhesive bond between similar, dissimilar, and composite materials. Industrial tapes are used in a broad range of applications like office automation, smartphones, television, automobiles, airplane cockpit, and many other varied applications.
There are two types of Industrial Adhesive & Tapes – single-sided and double-sided. The latter has pressure-sensitive adhesives on either side; while the former has only one single side. Each of these types is made from different materials like PET, foam, and fabrics.
Consider these factors – the bond is supposed to be permanent or temporary; is the bond desired long-term or short-term; aesthetics of the tape; surface type; will the tape will be
exposed to external factors like temperature change, humidity, Ultra-violet rays, chemicals, or stress.
First and foremost, you need to ensure that the surfaces are clean. Next, consider the external
environmental conditions because these factors affect the performance of the tapes. And lastly, the tapes should be applied with firm pressure.
Absolutely! It is in the best interest of your business. This is especially true if your business performance or customer satisfaction is dependent on the failure of the tape. Also, consider
the cost and the man-hours that you lose in rebuilding your reputation due to the failed tapes.
There are few reasons behind this – poor quality tapes; required amount of pressure not applied; the external temperature was not suitable –too cold or hot; unclean surfaces. It could also be due to the use of an inappropriate type of tape.
There are 7 levels where the industrial adhesives are used in mobiles – at the cover panels, camera modules, Fixing reinforcements, connectors, batteries, fixing the graphite and ferrite sheets, and cushioning the LCD or OLED molecules. In Televisions, these are used at four levels – backlight module, LCD panels, power supply boards, and molded parts.
Air-conditioning unit in fixing foams, in the cockpit module, in the doors to fix foams, in
pillars, in rear wheels for fixing acoustic materials, in the harness, and Tonneau Covers, INDUSTRIAL ADHESIVE & TAPES are used to provide permanent and temporary fixtures.
The first thing that you should compare is test-related details. The test specs will mention how well the tape adheres to the surface of different materials, and what are the preparations that need to be done to get the best results. The ideal temperature for effective bonding will also be mentioned.
Oils, fluids, and lubricants come with specialized properties that could be proprietary in
nature too. These are categorized under Specialty Fluids. So, there could be a conventional
fluid as a base containing unique additives like nanoparticles or may be made using non-
conventional chemistries like halides, PPE, etc.
The idea is to make the fluid get properties that are not available in conventional industrial
fluids. So there could be properties like resistance to oxidation or radiation, or getting
increased tackiness, or even engineered to get a higher refractive index to the fluid.
Specialty fluids are engineered for highly specialized applications that are used in military or
aerospace domains. These fluids are also used in applications like grinding, lapping, making
cleaning products and traction products, aerosols; used in extraction, dampening, expansion
and system cleaning processes, in metal heat treating, and well drilling.
Examples include – drilling fluids; magnetic fluids; magneto fluids; ferromagnetic liquids;
electronic fluids, electric fluids, engineered fluids, optical fluids, Eialectic fluids, Viscoelastic
fluids, Heat-resistant fluids, high-temperature fluids, fireproof fluids, Cesium formate,
Potassium formate, honing oils, carrier fluids, drying fluids, intervention fluids, surface-
active coolants, dry cleaning fluids, and more.
Specialty fluids that are manufactured using nanotechnology are meant for highly specific
tasks as they come with specified properties to enhance electrical conductivity, lower or
higher boiling point, moisture resistance, water displacement, high-voltage dielectric, and
ferromagnetism.
The constituents of Specialty fluids differ from brand to brand. The components are synthetic
hydrocarbons like Polyalphaolefins, Polyglycols, siloxanes, silicone networks, and
emulsions. There are some top international brands that make custom-tailored specialty highly purified fluids as per the specific needs and requirements of the client.
The purpose of each type of Specialty oil is very application-specific. However, in the generic sense, the oils or fluids should offer a superior level of lubricity, superlative finishing,
and enhanced tool life. Care should be taken to use fluids that are compatible with different materials.
Specialty Fluids are made with certain distinct chemical and physical properties. You can
expect enhanced properties pertaining to Kinematics Viscosity, Flash Point, Pour Point, Distillation Range, Density, Aniline Point, Aroma free, and more. Mostly Specialty Fluids come from hydrocarbon minerals.
Synthetic gear oils, food-grade oils, synthetic chain oils, mineral gear oils, knitting oils, high viscous fluids, compressor oils, cutting fluids, cold forming oils, neat cutting oils, cleaners, wire drawing oils, and minimum quantity lubricants, are some of the specific areas of use of Specialty oils.
Some of the parameters that need to be verified are – purity of the fluid, the aromatic and the delectable content of the fluid, the safety aspect of the product for humans as well as for the environment, and assurance of top quality.
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