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Rubie Mccloughan

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Jul 9, 2024, 5:45:51 AM7/9/24

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I would very much appreciate if future versions of KiCad has an option for selecting a legacy Gerber output format. There must be other people with working PCB-manufacturing toolchains from the 1990s or early 2000s that are too expensive or hard to upgrade such as ours. We need the old (e.e. Fmt 3.4) Gerber format.

cam350 full version free 36

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I did found some projects on github where I got access to the gerber files for pcbs in their pcb store - that I assume have been used.
I compared those gerbers with my output and the only difference I could find was:

One of our local manufacturers uses CAM 350 V.9.5 and I am using Allegro V16.01. He is having problems opening the ODB++ files that I've sent him, but I can open and view them in the Valor viewer. Has anyone come across any problem like this? We haven't had any issues with earlier versions. Could there be something in the setup file that I'm not doing properly? In the end, I sent him gerbers which he was able to use.thanks,Jackie

When I create gerber it shows exectly the same as our brd file in camtastic, but after fab brd have some pads shrted to GND. We claim that our gerbers are correct but they show us on cam350 these pads were shorted. according to fab house some thing may be wrong with gerber genration because in cam350 layers are shown as composite layers. Can any one help me to find out the actual problem then we are able to not repeat the same problem.

I don't think Cadence will create composites, but I know CAM 350 will. Try reading your gerber files into another graphical viewer such as Viewmate which can be downloaded for free. View the files, and see if the shorts show up there.

Are your DRC's up todate? Didyou review the photoplot.log file? Most of the time these 2 things will point to the problem. Alos review what Class?Subclass is enabled for the shorted layers. Most etch layers need the etch, pin and via for that layer. Make sure you do not have any extra subclasses for that film record. Also review the padstack in question for null pads on inner layers.

We have upto date DRC. we told that our design has no error but gerber not matches the design in some places. I also open it in gerbtool, it also shows composite layers. If we dont have any composite layer why it breaks one layer into 2 or three layers.

The gertool and older versions of CAM350 will create the composite layers. Newer versions of CAM350 will combine them into a composite layer. What you are seeing is the way the gerber viewers read in the RS274X data. I would suggest trying to review your gerbers using the File>Export>ODB++. You will have to work with your board house. They should provide you with X,Y locations of the shorts.

You can read ODB++ files into Viewmate to check them. I still think the problem is CAM 350 related, and the board house somehow created a composite. What else can be done? CAM350 has a demo version you can download for free. It has limits on what can be done (not much), but you can read your gerber data in to view it up to a certain file size. it will usually read in at least a few layers for ya. Take you gerber data, read it into CAM350, see for yourself if your data contains composites.

The PCB software CAM350 offers the users to work with 3D visualization so that there are minimum defects of manufacturing and the production process can be sped up. The latest version of the software offers the users with an interface that is much streamlined and has much-improved management than before. With a seamless option of data share, the users are able to use the software in a much efficient way.

The official website of the software CAM350 offers a detailed summary of the features and services offered by the software. Apart from this, there is a link provided for events and training for interested users. The users can also get in touch with the support team to get cleared upon the software and get it.

CAM350 is a software solution provided by DownStream Technologies that aims to automate the PCB CAM engineering department. According to the vendor, it offers a range of features designed to analyze, prepare, and optimize PCB design files for fabrication, facilitating a smooth transition from engineering data to physical PCBs. The product is suitable for companies of all sizes, from small startups to large enterprises, and is used by PCB designers, electrical engineers, CAM engineers, manufacturing engineers, PCB fabricators, and electronics manufacturing services (EMS) providers.

Automated PCB Analysis: According to the vendor, CAM350 utilizes advanced algorithms to automatically analyze PCB design files, detecting potential errors and issues that could impact the fabrication process.

Design File Preparation: The vendor claims that this software streamlines the preparation of design files by automatically generating necessary fabrication data, such as Gerber files, for PCB manufacturing.

Optimized Panelization: CAM350 offers efficient panelization capabilities, which, as per the vendor, allow users to optimize the arrangement of multiple PCB designs on a single panel, minimizing material waste and maximizing production efficiency.

DRC and DFM Checks: According to the vendor, CAM350 provides comprehensive Design Rule Check (DRC) and Design for Manufacturability (DFM) capabilities, ensuring that PCB designs meet industry standards and manufacturing requirements, thus reducing the risk of errors and costly rework.

Netlist Comparison and Validation: The vendor states that CAM350 enables users to compare and validate netlists, ensuring accurate electrical connectivity between the design and the physical PCB.

Automated Testpoint Generation: According to the vendor, this feature automates the generation of testpoints, saving time and effort in the testing and debugging stages of PCB development.

Layer Stackup Management: CAM350 provides tools for managing layer stackups, allowing users to define and modify the arrangement and properties of PCB layers to meet specific design requirements, as per the vendor.

Silkscreen Editing: The vendor claims that with CAM350, users can easily edit and modify the silkscreen layer of PCB designs, ensuring accurate and visually appealing markings on the final product.

Component Library Management: According to the vendor, this software offers a comprehensive component library management system, allowing users to easily search, import, and manage component data for efficient PCB design.

Users of CAM350 have found the software to be highly useful for a range of PCB design and manufacturing tasks. One key use case is the ability to open and edit Gerber files, allowing users to make necessary changes and modifications. The software also provides error verification and comparison features, enabling users to ensure the accuracy of their designs. Additionally, CAM350 offers comprehensive DFM checks, including solder bridge and IPC netlist checks, which help identify potential issues before moving into production. Users appreciate the ease of importing design data and the ability to view components layerwise, facilitating the identification of any footprint issues. Furthermore, CAM350's scripting feature simplifies the DRC process, allowing for netlist comparison and validation. Overall, users have found CAM350 to be reliable, user-friendly, and faster than other options on the market.

Another important use case for CAM350 is in panel preparation and resolution of design errors. The software excels at creating panels for PCBs with accurate line spacing. It helps users review Gerber files by providing a clear interface for comparing old and new layers and making necessary revisions to padstack and drill files. This makes it particularly valuable for those in industries like automotive, where PCBs are used in infotainment systems. Additionally, CAM350 supports manual drilling purposes such as opening center holes in Gerber files. With its basic DFM analysis capabilities, netlist verification, and output generation, CAM350 ensures a smooth transition from design to manufacturing. Users find it to be a comprehensive solution that streamlines the production process while minimizing errors.

Helpful Gerber file viewer and editor: Users have praised CAM350 for its ability to view, edit, and make changes to Gerber files. Many reviewers have found it helpful in easily opening any format of the Gerber file without any issues.

User-friendly interface and ease of use: CAM350 has been described as user-friendly and easy to learn by multiple users. They appreciate its simplicity of interface, stability of work, and user-friendly commands that make tasks like paneling, reviewing files by layer, and identifying errors before releasing them to manufacturers quick and effortless.

Powerful tool for PCB CAM engineering: Reviewers have commended CAM350 for being a powerful tool that is also cost-effective. They find it useful for various engineering tasks such as DFM analysis, IPC Netlist comparison and validation, panelization, assembly checks, detecting thermal issues, aligning Gerber layers with CAD design rules, transferring engineering data to printed circuit boards, and avoiding manufacturing issues during PCB fabrication.

Long Loading Times and Occasional Crashes: Some users have experienced long loading times and occasional crashes when working with heavy data in CAM350. This has led to frustration and interruptions in their workflow.

Difficulties in Locating Blind Vias and Center of Pads: Certain users found it difficult to locate blind and buried vias, as well as the center of pads in CAM350. This has hindered their ability to accurately place components on the PCB layout.