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hybrid bonding

Process Principles and Development of Hybrid Bonding Technology

Hybrid Bonding is an advanced IC packaging technology used to achieve high-density, high-performance interconnections between different chips. The key feature of this technology is to replace the traditional bump or solder ball (bump) interconnections with direct copper-to-copper connections, which enables ultra-fine pitch stacking and packaging in a very small space for the purpose of three-dimensional […]

hybrid bonding

Hybrid bonding technology process and application

Hybrid bonding is an emerging packaging technology that combines the features of inter-chip bonding and intra-chip bonding. It utilises different bonding techniques to achieve interconnections between wafers and package substrates or within wafers to meet the needs of high-performance integrated circuits with complex interconnect structures. There are two common types of hybrid bonding: W2W can

FPC Bonding

FPC Bonding Technology Process

FPC Bonding (Flexible Printed Circuit Board Bonding) is a technology that electrically and mechanically connects flexible circuit boards (FPC/FPCB) to other electronic components, rigid circuit boards (PCBs), or components such as displays through a specific process. This process is widely used in consumer electronics (e.g., mobile phones, tablets, wearable devices), automotive electronics, and medical devices

differential signal

Differential Signal Cabling Design and Optimisation

Differential signal line is mainly the difference between the traditional signal line corresponds to a ground line signal transmission mode, differential signal transmission is mainly two lines on the signal transmission, the two signals are equal in amplitude and opposite in phase. Relative to the traditional single-ended signal, it has a strong anti-jamming, can effectively

flex pcb assembly

FPC PCB Assembly Process

There is a significant difference between FPC PCB assembly and the assembly of rigid circuit boards, the main reason is that flex board is softer and less hard, if you do not use a special carrier board, it is difficult to achieve effective fixation and handling, so as to be unable to complete the printing,

Technical Value and Application of PTFE Teflon Coating

Technical Value and Application of PTFE Teflon Coating

In the continuous development of modern industrial manufacturing, materials science has played a key role. Among many high-performance materials, polytetrafluoroethylene (PTFE), more commonly known as Teflon, is undoubtedly the most representative one. Its unique chemical stability, extremely low friction coefficient and excellent high temperature resistance make it widely used in aerospace, electronics, chemical industry, medical

radar pcb

Radar PCB and their high frequency applications

Radar PCB is an RF circuit board used for detection and automation that is primarily responsible for generating, transmitting and receiving RF signals. It contains an antenna structure mounted on a high frequency laminate that transmits the radar flaps generated by the RF circuitry and receives the reflected radar pulses after hitting an object, which

PCB radar

PCB Radar Design Considerations

A PCB radar is a type of printed circuit board designed for use in radar systems and is primarily responsible for generating, transmitting and receiving RF signals. It is typically made of a high frequency laminate material that integrates an antenna structure for transmitting and receiving radar waves. The radar PCB is able to send

pcb substrate

PCB manufacturing process pcb substrate problems and solutions

As an important basic component of electronic products, the stability of pcb substrate dimensions during the manufacturing process of printed circuit boards directly affects the performance and reliability of the final product. However, substrate dimensions often change due to a variety of factors during the production process, resulting in dimensional deviations, bending and warping, and

multilayer circuit board

Manufacturing difficulties and solutions for multilayer circuit board

As a core component carrying complex functions and high-density interconnections in modern electronic products, multilayer circuit board faces many technical challenges in the manufacturing process due to their increased thickness, increased number of layers, and dense wiring and perforations. With the increasing demand for high-performance PCBs in fields such as 5G communications, artificial intelligence and

pcb dielectric thickness

PCB Dielectric Thickness Analysis

PCB dielectric thickness is usually the thickness of the glass fibre cloth or other special material used to cover both sides of a printed circuit board (PCB) during the manufacturing process. The choice of dielectric thickness depends on the specific application scenario and requirements of the circuit board. Multilayer board dielectric thickness refers to the

pcb thickness tolerance

PCB thickness tolerance and influencing factors

PCB thickness tolerance refers to the difference in the thickness of a circuit board due to the production process and equipment conditions during the manufacture of the pcb circuit board, which is the thickness tolerance of the board. This tolerance range depends mainly on the type and specification of the board used. Normally, the pcb

Burn In Board

Burn in board test process

Burn in board is a common test method to evaluate the performance and reliability of circuit boards by simulating the conditions of long-time use or harsh environments. The circuit board aging process is the specific steps and procedures to carry out circuit board aging test. In practice, the standardisation and optimisation of the circuit board

burn in board

The integration of SMT technology and burn in board

In the field of modern electronics manufacturing, SMT (surface mount technology) and burn in board is inextricably linked, and their synergistic effect is a key link to ensure the stability and reliability of electronic product performance.SMT technology, as the basic process for manufacturing aging boards, enhances the durability and accuracy of burn in boards in

Comprehensive analysis of PCB solder resist

Comprehensive analysis of PCB solder resist

In modern electronic products, printed circuit boards (PCBs) are an indispensable core component. In order to ensure the performance and reliability of PCBs, the application of pcb solder resist is crucial. This article will explore various aspects of solder resist to help readers fully understand its importance in PCB manufacturing. What is PCB solder mask?

RO4350B

RO4350B vs RO4835 Material Comparison

RO4350B is a commonly used high-frequency printed circuit board (PCB) material produced by Rogers Corporation in the United States. This material is used in wireless communications, radar systems, medical devices and other high frequency electronic equipment.The dielectric constant of RO4350B is approximately 3.48.This value was measured at a frequency of 1 GHz.Typically, the dielectric constant

hdi circuit boards

HDI board Design

HDI circuit boards are highly integrated printed circuit boards with high density, miniaturization, and light weight, which can significantly improve the performance and functional density of electronic products. HDI board design specifications usually cover the following aspects: Number of Layers and Thickness: HDI circuit boards usually use a multi-layer structure to accommodate more signal and

bga packages

BGA packages on flexible circuit boards

BGA packages is solder ball array package, is an integrated circuit using an organic carrier board packaging method. With the continuous development of society, in order to meet the demand for electronic products light, thin, short, small and functional diversification, production of green and other aspects of the BGA package began to be applied to

rogers material

Why is Rogers material not FR4?

Rogers material is a specialised laminate used in the manufacture of high frequency, high performance Printed Circuit Boards (PCBs) and is manufactured by Rogers Corporation. Rogers materials typically do not contain glass fibres, but rather a ceramic foundation or hydrocarbon ceramic composite substrate, which gives them excellent dielectric properties, low dielectric constants and low loss

pcb prepreg

The role of pcb Prepreg

PCB prepreg​ is a soft material, similar to the black tape, also called ‘semi-glue’ or ‘film’, commonly used in the production of circuit boards. In the PCB PP is sandwiched between the core board and copper foil or two core boards before the dielectric layer to play an insulating role. It is made of polymer

pcb circuit board

PCB circuit board Layer Stacking Structure Optimisation Strategies

The laminated construction of PCB circuit boards refers to the stacking of multiple layers of circuit boards together to form a single structure. Electronic components can be arranged on each layer of the pcb circuit board, and the components are connected between the layers by means of wires and jacks. The laminated structure can provide

rogers ceramic pcb

Advantages and Processes of Rogers Ceramic PCB

Rogers ceramic pcb is a kind of circuit board using ceramic material as the substrate, which has the advantages of high thermal conductivity, high insulation, corrosion resistance and high temperature resistance. This type of circuit board is suitable for use in a variety of electronic products that require high performance and reliability, such as aerospace,

Rogers Ro4003 substrate

Rogers RO4003C Substrate Performance and Design Points

Rogers RO4003C substrate​ is known for its dielectric constant Dk of 3.38+/-0.05 and low dielectric loss Df of 0.0027 at 10 GHz. It is a unique glasscloth-reinforced, ceramic-filled hydrocarbon composite that combines the excellent electrical properties of PTFE/glasscloth with the superior processability of epoxy resin/glasscloth. processability. RO4003C laminates are available in two different configurations with

pcb plating

PCB plating hole filling process

PCB plating to fill vias is a treatment performed to connect different layers of circuits during the manufacturing process. In the manufacturing of High Density Interconnect (HDI) boards and multilayer boards, the treatment of microvias (via) is a key aspect. Conventional mechanical drilling methods can no longer meet the high precision requirements of microvias, and

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