4 Pics And A Knowledge Round 3

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A magnetic field is a region in which a magnetic force is exerted on magnetic objects or moving electric charges. It is produced by electric currents or by the movement of charged particles. The presence of a magnetic field can be detected by the interaction of magnets or by the deflection of a compass needle. Magnetic fields are used in various applications such as electric motors, generators, and magnetic resonance imaging (MRI) machines.

Soft Error Rate refers to the frequency at which soft errors occur in a system. Soft errors are temporary errors that can occur in electronic devices, such as bit flips in memory or data corruption, due to external factors like cosmic radiation. The Soft Error Rate is calculated by dividing the number of soft errors by the total number of bits in the system. It is an important metric to assess the reliability and vulnerability of electronic systems to soft errors.

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Helium is the correct answer because it has less friction than air. Helium is a lighter-than-air gas, which means it has a lower density than the surrounding air. This lower density results in less friction between helium and the air molecules, allowing helium to rise and float in the atmosphere. This property makes helium ideal for filling balloons and airships, as it helps them to stay buoyant and float in the air.

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Form Factor is a term used to describe the physical size and shape of a device or component. It refers to the different sizes and configurations that a device can come in, such as the size of a computer motherboard or the shape of a smartphone. The form factor determines the compatibility and fit of the device with other components or accessories. It is an important consideration when selecting or designing a device, as it affects factors such as portability, ease of use, and compatibility with other devices.

The term "Extender Bond" refers to the process of attaching the quad and extender in preparation for machining, specifically for the RoughLap process. This process involves bonding the extender to the quad, which allows for the proper alignment and stability of the tools during machining. The extender bond is an essential step in ensuring the accuracy and effectiveness of the machining process.

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The correct answer is Silicon Overcoat. A silicon overcoat is a deposited material that is used to protect the element prior to ABS DLC overcoating. It acts as a protective layer that prevents damage to the element during the overcoating process. The silicon overcoat ensures that the element is well-protected and prepared for the application of ABS DLC overcoating, which enhances its durability and performance.

The given answer is "Advance Fine Lap, Advanced Fine Lap". This suggests that the process of Advanced Fine Lap determines the final Stripe Height, Surface Finish (Ra), PTR, and Flatness. The repetition of "Advanced Fine Lap" in the answer indicates that this process is crucial in achieving the desired outcomes in terms of Stripe Height, Surface Finish, PTR, and Flatness.

The pitch angle refers to the angle between the longitudinal axis of an object (such as an aircraft or a ship) and the horizontal plane. It indicates the upward or downward inclination of the object's nose or bow relative to the ground or water surface. The pitch angle is an important parameter in aviation and naval navigation as it affects the stability, control, and performance of the object.

Roll angle, also known as bank angle, refers to the angle at which an aircraft tilts or leans to one side during a turn. It is measured in degrees and indicates the amount of rotation around the longitudinal axis of the aircraft. When an aircraft is in level flight, the roll angle is zero. However, during a turn, the aircraft rolls to one side, causing the roll angle to increase. The roll angle is an important parameter for pilots to maintain control and stability during maneuvers and is crucial for proper navigation and flight path control.

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The correct answer is ABS Mask. The ABS Mask refers to the pattern that is applied to the rowbars before etching in order to create the ABS Design. The mask acts as a protective layer, preventing the areas covered by the pattern from being etched away. This allows the desired design to be formed on the rowbars, resulting in the ABS Design.

Negative pressure refers to a type of pressure that occurs when there is a decrease in pressure compared to the surrounding environment. In the context of the given hint, negative pressure is created by an air flow coming from a higher height and going to a deeper depth within the slider ABS surface. This creates a suction effect, causing the pressure to drop below atmospheric pressure.

Positive pressure refers to a type of pressure that is created within the ABS surface when the air flow comes from a lower step and then goes to a higher step. This means that the pressure within the ABS surface is higher than the surrounding atmospheric pressure. Positive pressure can be beneficial in certain applications, such as in ventilation systems or cleanrooms, where it helps to prevent the entry of contaminants from the outside environment. It can also be used in medical settings to maintain a sterile environment.

Track pitch refers to the distance between two adjacent tracks on a storage medium, such as a hard disk drive or magnetic tape. It is measured in terms of the number of tracks per inch. The hint provided suggests that track pitch equals 1 divided by the number of tracks per inch. Therefore, the correct answer is "Track Pitch."

The pinned layer refers to a layer in a magnetic disk where the magnetization is fixed in a specific direction. This means that even if a magnetic field is applied to the disk, it does not cause the pinned layer to rotate. The purpose of the pinned layer is to provide a stable reference for the other layers in the disk, allowing for reliable reading and writing of data.

The free layer refers to the layer in a magnetic device where the magnetization is free to rotate. This means that the direction of magnetization in the free layer can be easily changed, allowing for the manipulation of magnetic properties in the device. The free layer is an important component in various magnetic devices such as magnetic sensors and magnetic memory devices, where its ability to rotate its magnetization plays a crucial role in their operation.

The hint suggests that the correct answer divides the platter into concentric rings composed of sectors. The word "track" fits this description as it refers to a concentric ring on a storage device such as a hard disk drive or a vinyl record. In the context of storage devices, a track is a circular path on the surface of the platter that holds data. Therefore, "track" is a suitable answer based on the given hint.

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Electroplating is a process used to deposit thick layers of magnetic or non-magnetic materials such as Co, Ni, Fe, and Gold Pad onto a surface. In this process, an electric current is passed through a solution containing metal ions, causing the metal ions to be attracted to the surface of the object being plated. This results in a layer of the desired metal being deposited onto the object, providing it with various properties such as enhanced durability, corrosion resistance, and aesthetic appeal. Electroplating is commonly used in industries such as automotive, electronics, and jewelry manufacturing.

Chemical Mechanical Polishing (CMP) is a process used in the semiconductor industry to planarize the surface of a material. It involves the simultaneous application of chemical and mechanical forces to remove unwanted materials and create a smooth, flat surface. CMP is commonly used in the fabrication of integrated circuits, where it assists in the lift-off process by removing excess materials and creating a uniform surface for subsequent layers. CMP is an important technique in semiconductor manufacturing and helps to improve the overall quality and performance of electronic devices.

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The correct answer is "Grouping" because it refers to the type of unnatural pattern where points cluster together in a non-random fashion. This term is also known as "bunching."

The hint provided suggests that there is a pattern visible in the length of the lines joining the points. The phrase "SEESAW effect" indicates that there is a back and forth motion or alternation happening. When we think of mixtures, it often involves combining different substances or elements together, creating a blend or mixture. This concept aligns with the idea of a back and forth motion or alternation, as different components are mixed together. Therefore, "Mixtures" is a plausible answer based on the given hint and the understanding of the concept.

The air bearing surface refers to the part of a hard disk drive's head that comes into contact with the surface of the disk. It is designed in such a way that it maintains a constant flying height as the head moves over the disk. This is crucial because the flying height determines the distance between the head and the disk surface, and any variation in this distance can lead to data loss or damage to the disk. Therefore, the air bearing surface plays a critical role in ensuring the proper functioning and reliability of the hard disk drive.

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Slider Wipe is a type of transition effect used in video editing. It involves a sliding motion across the screen to reveal the next scene or image. This effect is commonly used to create a smooth and seamless transition between two shots. It is often used in combination with a cleaning process where unwanted elements or imperfections are wiped away, leaving a clean and polished result.

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Perpendicular recording is a method of recording data where the data bits are aligned vertically in relation to the drive's spinning platter. This technique allows for higher data densities and increased storage capacity compared to traditional longitudinal recording, where the bits are aligned horizontally. In perpendicular recording, the magnetic domains representing the data are oriented perpendicular to the platter's surface, allowing for more efficient and precise reading and writing of data. This technology has significantly contributed to the advancement of hard disk drives, enabling them to store more data in a smaller physical space.

The flare angle refers to the angle formed between the main pole profile produced between the flare point and the flare. It is a measurement that helps determine the extent of widening or flaring of a structure. The larger the flare angle, the more pronounced the widening of the structure. Therefore, the flare angle is a crucial parameter in understanding the shape and dimensions of the flare.

A hard disk drive is a data storage device that uses magnetic storage to store and retrieve digital information. It is a commonly used device in computers and other electronic devices for long-term storage of data. The hard disk drive consists of one or more rigid disks coated with a magnetic material, which allows data to be written and read using a magnetic head. It provides a large amount of storage capacity and is known for its durability and reliability.

Quad lapping or quad lap refers to a process that is necessary to achieve the desired perpendicularity before the extender bond process. This suggests that quad lapping is a step that needs to be completed before the extender bond process can be carried out. The term "quad" implies that this process involves four lapping surfaces or actions, which may be used to ensure that the surfaces are flat and perpendicular to each other. Overall, quad lapping is an important step in the overall process of achieving the desired perpendicularity before proceeding with the extender bond process.

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The term "Fly Height" refers to the distance between the disk and the read/write head in a storage device, such as a hard disk drive. This distance is crucial for the proper functioning of the device, as it determines the accuracy of reading and writing data. Maintaining an optimal fly height is important to prevent data loss or damage to the disk surface. Therefore, the terms "Fly Height," "Flying Height," and "flying height" all refer to this critical distance in storage technology.

Velocity is the rate of change of an object's position with respect to a frame of reference, and it is a function of time. It describes both the object's speed and direction of motion. Therefore, velocity is the correct answer based on the given hint.

The correct answer is Read Head. The hint provided states that it is a specific physical part of a hard disk responsible for reading data. The read head is a component of a hard disk drive that moves over the disk's surface, detecting and retrieving data from the magnetic platters. It is responsible for accurately reading the data stored on the disk and transferring it to the computer for processing.

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Cold storage is a type of storage system that is designed to store important information or data that is not frequently accessed for long periods of time. It is typically used for archiving purposes, where data needs to be retained for legal or compliance reasons but does not need to be readily available. Cold storage is characterized by its low cost, high durability, and slower access times compared to other storage options. It is commonly used for storing backups, historical records, and large volumes of data that are not actively used in day-to-day operations.

The magnetic read width refers to the width of a microtrack profile at half of its maximum amplitude. This measurement is commonly used in magnetic recording technology to determine the accuracy and precision of reading data from magnetic storage devices. It indicates the ability of the reading mechanism to accurately detect the transitions between magnetic domains on the storage medium. A narrower magnetic read width suggests a more precise reading capability, while a wider width may result in errors or loss of data.

Longitudinal recording is a method of recording data on a hard drive where the data bits are aligned horizontally in relation to the drive's spinning platter. In this method, the magnetic domains representing the data are aligned along the length of the track on the platter. This allows for higher data density and increased storage capacity on the hard drive. Unlike perpendicular recording, where the magnetic domains are aligned vertically, longitudinal recording has been widely used in older hard drives.

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Pad Burnish is a process of polishing the gold pad surface to remove wire bond and contaminants. It involves using a pad burnisher tool to gently rub the pad surface, which helps in smoothening the surface and removing any debris or impurities. This process is important to ensure proper wire bonding and to maintain the integrity of the gold pad.

Cycles refer to short trends that occur in a repeated pattern. This means that certain events or phenomena happen in a predictable sequence or rhythm. These cycles can be observed in various aspects of life, such as the economy, weather patterns, biological processes, and even human behavior. By recognizing and understanding these cycles, we can make predictions and decisions based on the patterns that have occurred in the past.

White noise is a type of random signal that contains equal intensity across all frequencies. It is called "white" because it is analogous to white light, which contains all colors of light. In white noise, the amplitude of the signal remains constant and is independent of frequency. This means that all frequencies are present with equal power, resulting in a flat frequency response. White noise is often used in various applications, such as audio testing, sound masking, and scientific research.