TURN KEY PCB ASSEMBLY-CONCEPTS, COMPONENTS AND BENEFITS

The advent of Turn Key PCB assembly has restructured and drastically changed our approach to electronics manufacturing and PCB assembly in general. The old ways just don't cut it anymore. Today's demand for technology and hardware designs requires systems and services that are fast, accurate, and relatively cheap. Yes, the old methods of PCB assembly were fashioned to accommodate an enormous amount of orders and leads. But when it comes small batch runs and product prototypes, start-up hardware designers and entrepreneurs find solace in employing Turn Key PCB assembly. 
Turn Key PCB assembly is a concept that can get you straight from raw concept to end product and finally to the market with some simple steps. The system takes advantage of onshore PCB manufacturing and top-notch software (cloud-based) to avail designers the opportunity to print circuit boards fast and easily.

          
HOW DOES TURN KEY PCB ASSEMBLY WORK? 
The process is really simple. In some cases, all you have to do is to upload BOM files and you get an instant quote which will include a Turn key or PCB price list for labor, bare boards, and circuit components. Once this is done successfully, the manufacturer kicks into action and gets everything else done for you. This includes searching for the best parts at the best price. Turn Key PCB assembly can simplify your seemingly complex project and get it done within a day. 
Extended services are provided by some PCB assembly service providers. These services tend to go beyond mere boards. They are targeted at getting you a finished product. 
WHY DO YOU NEED TURN KEY PCB ASSEMBLY WORK? 
There are quite a number of reasons why engineers and startup entrepreneurs prefer Turn Key PCB assembly to the traditional system of PCB manufacturing. 
                                              
1. EXCLUSIVITY: Turn Key PCB assembly restricts you to one manufacturer. This is a good thing because you do not have to deal with multiple vendors at the same time. It then becomes easy to move your concept to the final product while retaining the same manufacturer. 

2. PROTOTYPES: With the new turnkey system in printed circuit board manufacturing, generating a prototype for your designs and concepts is quite easy and cheap. Old PCB manufacturing methods are all too long, frustrating and expensive. 

3. SPEED: With Turn Key PCB assembly, you can get instant quotes. You do not have to wait for an extended period of time before you get to know how much an order will cost you. Turn Key system allows you to upload your file and get an instant quote right there on the manufacturer's web page.

Metal Core PCBs - LED Applications and When to Use Them

Metal Core printed circuit boards, abbreviated to MCPCB, or warm administration boards are printed circuit boards worked with a base Metal Core PCB used to scatter warm through the segments of the board, viably bringing down the core temperature of high warmth applications. They are utilized when customary fan-cooling procedures are deficient for cooling the whole framework.

                
Most normally found in LED applications, MCPCBs can have a core of one of the accompanying materials: 
- (aluminium core PCB) 
- (copper core PCB) 
- a blend of uncommon composites 
With the most generally perceived of the three recorded above being aluminium core boards.
Metal Core PCB exchange warm commonly (up to 8 or 9 times) speedier than FR4 boards. MCPCB overlays disperse and dispense with warm, keeping heat producing segments cooler which brings about expanded execution and life of the applications. 
Regular LED applications where Metal Core PCB are found: 
- Back light unit applications 
- Street security applications (streetlights, lighting, and so forth.) 
- General lighting applications 
- System car LED applications 
- Power converters: telecom, modern, high voltage controller, control supplies 
- Hybrid/electric engine control applications 
- Photovoltaic Applications 
The light producing diode applications create a lot of warmth. Through the metal core's dielectric polymer layer with a high warm conductivity, the application general has a lower warm resistance. 
Different applications that are winding up progressively more imperative for Metal Core PCB are sunlight based boards and movement control applications.

              
As sun oriented vitality saddling turns out to be increasingly essential in regular applications, for example, electric autos and sunlight based board rooftops, the warmth caught inside them increments. In like manner, with cutting edge movement control applications, a lot of handling and grating are made to make the progression of the development of the propelled innovation robots. 
In like way PC applications today, LEDs and Drove marker lights are as often as possible used. The light and warmth made by these LEDs have expanded the core temperature of utilizations significantly, making the requirement for warm administration progressively vital. Metal Core PCBare regularly found in LED applications and similarly in LED-overwhelming PC equipment circumstances. 
MCPCBs are as yet manufactured utilizing standard SMT (surface mount innovation - the whole body of the procedure and segments that make printed circuit board get together with leadless parts) gathering hardware. They are typically multi layered boards. They can likewise be based on a flex board or unbending flex board for tight space ranges or specially measured applications, for example, cell phones.

Advantages of using Metal Core PCB in your work

Printed Circuit Board is ending up more popular these days with the increasing demand for smaller bundling of hardware and increased functionality. Manufacturers of the greater part of the electronic applications are currently concentrating on making quality printed boards. Metal Core PCB has throughout the years turns into the most supported choice for the electronic items. It has proved to be more attractive than the conventionally used polyimide materials. The reason being this metal has a wide range of properties making it the preferred choice which has been discussed here.
                                                 
For manufacturing a printed circuit board it is critical to get a base which has an excellent conductivity for both heat and electricity. Metal Core scores here and fills in as the best base for making Metal Core PCB property additionally helps in lesseningwhich aid heat scattering with no additional heat sinks. This the warm weight on the parts which in hands helps over increasing life and durability. Along these lines, the manufacturers can reduce the general temperature of the segments while working and enhance the reliability of the board. The warm conduction property of Metal Core has prompted versatility of the parts. PCB dimensions have likewise reduced because of the effective format following. 

Despite the fact that the metal Core given PCB is light weight, its quality can be increased as required for a particular application by changing its combinations composition. This gives it increased quality and makes it mechanically unbending, which is genuinely necessary for an adaptable circuit board. This metal is additionally known to be flexible. This empowers the PCB manufacturer to process this metal as required in the liquid state. After the item solidifies, it winds up plainly substantial and goes on for long.
                                           
This metal has hostile to destructive highlights which influence it to last through a wide range of environmental conditions. This metal is non-harmful and recyclable which makes it a sheltered choice for PCBs. This can be reused for any reason at a later time, by melting it and making it versatile to the new application. Metal Core is being used in a range of regions from the kitchen to commercial areas. Aside from being the preferred choice for PCBs, this metal is used for making a foil for pressing of eatables, making of stepping stools and so forth. This is likewise a good reflector of heat and light making it valuable in the fabricate of light fittings and save covers to give some examples. So the scope of reuse of Metal Core is pervasive. Metal Core PCB is considered financially savvy since it's long life and reliability.

PCB manufacturing

Established in 2002, 2 plants in Shenzhen and Ganzhou respectively, total 2150 employees. Sun&Lynn is one of the leading PCB manufacturing in China, offering one-stop PCB solution from quick turn PCB prototype to volume PCB manufacturing. Markets we serve include telecommunication and networking , industrial, automotive, energy , security , healthcare etc.

Main product in Shenzhen plant : conventional PCB, Copper base PCB, Aluminum Base PCB, Ceramic PCB, High-Frequency PCB, Multilayer PCB and etc.

Main product in Ganzhou plant: HDI, flexible, rigid-flex PCB and FPCA.

Sufficient Capacity

Production capacity in Shenzhen factory:  600,000sq.ft / Month .

Production Capacity in Ganzhou factory:  total 800,000 sq.ft/ month , the structure as : Conventional PCB: 200,000 sq.ft / month , HDI: 400,000 sq.ft /month ; FPC:150,000 sq.ft / month and Rigid-Flex: 50,000 sq.ft.

Sun&Lynn remains 20% buffer capacity for new customers and new business.

?Business Review

2016 sale revenue was US$230M , keep 10% sales revenue increasing YOY since 2004 .

Sun&Lynn ranked as No.28 in top 100 CPCA PCB manufacturing.

Global Sales Network

Sun&Lynn has established a global sales network and serves over 300 customers in 20 countries in world-wide. S&L is the strategic PCB supplier of GE, Philips, Commscope, Hitachi, Amphenol, Bourns, Omron, BYD, Honeywell, Hikvision, Emerson, ABB, RRC Solutions, Jabil, Sanmina-SCI, Plexus.

Leading Technology

400 engineers are with over 11 years of experience in PCB design and manufacturing, we have owned 79 patents of PCB technology. We spend 5% sales revenue on R&D every year for leading edge PCB technology and offer customized end-to-end solution from PCB design to manufacturing.

Robust Quality system

Certified in UL,ISO9000, ISO14000, OHSAS18001, EICC, TS16949, ISO13485, QC080000. etc.

PCB manufacturer china

PCB manufacturer China is an organization that produces PCB prototypes, and low volume PCB creation
runs.The organization is situated in China and concentrates on making PCBs for hardware fans and hobbyists
who require low volumes of PCB generation.

The organization can make barricades to a most extreme size of 600 by 700 millimeters.The organization can
make sheets from 2 to 6 layers.Special ask for can be made by email for sheets requiring bigger
penalization.The board measurements and the quantity of sheets should be indicated.

The organization surfaces mounts at no additional cost and does not charge additional for making sheets
with surface mount pads.Users can send the PCB outline information in Gerber document arrange or other
design records straightforwardly. The organization would then send an affirmation record in PDF arrange for
endorsement.

The organization at that point produces the multiplied sided board with every one of the gaps plated through
the board.Single-sided sheets are likewise made, however the openings are not plated through. While putting
in new requests, clients can send their outline records straightforwardly utilizing the document program
interface on the website.Those who had officially put in a request and might want to rehash a similar request
can indicate the part number or request number while setting a reorder ask.

When individuals put in their requests, they can track the advance of the request online by utilizing the Order
Tracking office on the site.The status of the request is always refreshed amid different circumstances of the
day.As soon as the request is delivered, the client is sent a warning through email.

PCB manufacturer China can fabricate unbending printed circuit sheets and also adaptable printed circuit
sheets as indicated by the client's choice.Rigid printed circuit sheets are made with 1 to 10 layers and the
material utilized is FR4.Flexible printed circuit sheets can have either 3 or 4 layers, single sided or twofold
sided made with PI, PET or PE. They have been participating in PCB fabricating throughout the previous
fifteen years and are the best and driving development in PCB innovation.

The lead times for the requests change as follows.For one layer, the lead times are 7 to 12 days. For two
layers, it is 8 to 15 days.For four layers, it is 12 to 18 days.For 6 to 10 layers, it is 12 to 20 days.Only working
days are meant lead times.The conveyance date can be a Saturday.

For hardware devotees requiring a PCB prototype, a Quick-turn PCB work or a PCB manufacturer, they can
get a brisk PCB online quote from PCB manufacturer China.

Thick Copper PCB Circuits Benefits, Thermal control, and Survivability

Thick Copper PCB Circuits Benefits, Thermal control, and Survivability

Thick copper PCB items are utilized widely in control electronic gadgets and power supply frameworks.This has become a developing pattern in the PCB business, this exceptional sort of substantial copper PCB highlights a completed copper weight of more than four oz (140μm), contrasted with the one oz (35μm) or two oz (0μm) copper weight mostly found in those with a standard PCB copper thickness.
The extra thick copper PCB empowers the board to direct a higher current, accomplish great thermal circulation and actualize complex switches in restricted spaces. Some preferences incorporate expanded mechanical quality at connector locales, the capacity to make a little item measure by joining numerous weights on a similar layer of hardware and the capacity to utilize fascinating materials to their most extreme limit with an insignificant danger of circuit malfunction.

Thick copper PCB circuit supplies a board with advantages such as;
Subsequent continuance to thermal strains.
Expanded current conveying limit.
Additional mechanical quality at connector destinations and in PTH openings.
Utilization of fascinating materials to their maximum capacity (i.e., high temperature) without circuit breakdown.
Decreased item measured by fusing numerous copper weights on a similar layer of hardware.
Substantial copper plated vias bring higher current through the board and help to exchange heat to an outside heat-sink.
Onboard heat-sinks straightforwardly plated onto the barricade surface utilizing to 120-oz copper planes.

Onboard high-control thickness planar transformers
Circuit board quality and survivability
Thick copper PCB circuit board makers and designers can browse an assortment of dielectric materials, from standard FR4 (working temp. 130C) to high-temperature polyimide (working temp. 250C). A high-temperature or outrageous condition circumstance may require an outlandish material, yet in the event that the circuit follows and coated vias are standard one oz/ft2, will they get through the extraordinary conditions? The circuit board industry has built up a test technique for deciding the warm respectability of a completed circuit item. Warm strains originate from different board creation, get together and repair forms, where the contrasts between the coefficient of warm development (CTE) of Cu and the PWB cover give the main impetus to break nucleation and development to the disappointment of the circuit. Heat cycle testing (TCT) checks for an expansion in resistance of a circuit as it experiences aerial warm cycling from 25C to 260C.

Thermal Control
Having in mind the goal is to come up with appropriate thermal scattering from thermal sources in and on the surface of a circuit board, heat-sinks are utilized. The motivation behind any heatsink is to disseminate warm far from the wellspring of an era by conduction and produce this warmth by convection to the earth. The warmth source on one side of the load up (or interior warmth sources) is associated by copper vias (once in a while called "warm vias") to an extensive exposed copper region on the opposite side of the board.

Printed Circuit Boards and rigid flex circuits; their usage, their functionality, their technological presence

Circuit Boards and rigid flex circuits; their usage, their functionality, their technological presence.
What are they? What do they do?
Resident techies would be most familiar with the terms Printed circuit boards and rigid flex circuits; their usage would also be of no surprise or question. However, for those of us who may be just catching on to this already full-fledged tsunami wave, here’s a breakdown.

Printed Circuit Boards
Refers to a “thin board made of fibreglass, composite epoxy, or other laminate material”[1] They are commonly known to be used in PC’S but have also made their presence felt in mobiles and TV’s. Ideally, the PCB is said to support mechanically and electronically connects electronic components with the use of conductive tracks, pads, along with other features etched from copper sheets that are in effect laminated onto a non-conductive substrate.
Rigid flex circuits
It is in effect, a name given to a printed circuit that is a combination of both flexible circuits and rigid circuits.
Both come together to form a piece of equipment most undeniable in many industries. They are assembled with the usage of the soldering technique. The rigid PCB offers a sense of structure whilst the rigid flex PCB offers similar qualities just with the incorporation of multilayering. Key note, it has been said that military and the aerospace industries have both employed the usage of rigid flex PCB technologies for more than 20years. The combination of both rigid circuit boards and flexible circuit boards allow for optimization in the technological fields as the ability to manipulate its core make-up allows for usage across a variety of fields and equipment.
“Rigid flex printed circuit boards are boards using a combination of flexible and rigid board technologies in an application.”[2]Where it is that rigid circuit boards are present there is a multilayering system as it is designed to allow for flexibility whilst maintaining the overall structure. Rigid flex circuit designs are in fact more technical and detailed than the average printed circuit board as they are designed to function in a 3D space. Having to design and assemble a pliable piece of equipment that still functions up to scratch is a challenging task.
The rigid flex PCB’s have offered themselves to a wide variety of much needed equipment, be they in the fields of military, aerospace and more recently medicine in the case of pacemakers. Printed circuit boards are rigid and still have their place in the field of technology, but as the world leans more towards the diversification of equipment functionality it can be said that the rigid flex PCB is here to stay and further the development of cutting edge, ground breaking technology.