# smtnet.com > Markdown mirror of DialtoneApp's public top-site detail page for `smtnet.com`. URL: https://dialtoneapp.com/top-sites/smtnet.com/index.md Canonical HTML: https://dialtoneapp.com/top-sites/smtnet.com ## Summary - Domain: `smtnet.com` - Website: https://smtnet.com - Description: ai readable | score 30 | purchase read only - Label: ai_readable - Payment surface: Not available - Purchase boundary: read_only - Control boundary: unknown - Rank: 217496 ## robots ~~~text # ============================================================ # robots.txt for SMTnet.com # https://smtnet.com # Electronics manufacturing industry portal — SMT, PCB, EMS # Last updated: 2026-04-17 # ============================================================ User-agent: * Crawl-delay: 2 # --- Protected directories (no public content) --- Disallow: /accounts/ Disallow: /administration/ Disallow: /authorize/ Disallow: /fusionreactor/ Disallow: /cfformprotect/ Disallow: /tele/ Disallow: /circuit/ # --- Legacy/unused directories --- Disallow: /directory/ Disallow: /bookstore/ Disallow: /ecommerce/ Disallow: /sales/ # --- Internal search results (infinite URL permutations) --- Disallow: /*search_submit* Disallow: /*searchstring* # --- CRUD action URLs (forms, submissions, deletions) --- Disallow: /*fuseaction=add_* Disallow: /*fuseaction=edit_* Disallow: /*fuseaction=delete_* Disallow: /*fuseaction=login* Disallow: /*fuseaction=logout* Disallow: /*fuseaction=register* Disallow: /*fuseaction=password* Disallow: /*fuseaction=verify_email* Disallow: /*fuseaction=create_* Disallow: /*fuseaction=submit_* Disallow: /*fuseaction=approve_* Disallow: /*fuseaction=reject_* Disallow: /*fuseaction=choose_type_submit* Disallow: /*fuseaction=Thread_Delete* # --- Session token URLs (prevent duplicate crawling) --- Disallow: /*CFID=* Disallow: /*CFTOKEN=* Disallow: /*cfid=* Disallow: /*cftoken=* # --- Sitemap generators & build artifacts --- Disallow: /sitemaps/generators/ Disallow: /sitemaps/cache/ Disallow: /build/ Disallow: /minify/ Disallow: /minify-g/ # ======================================== # Crawl-rate tuning for specific engines # ======================================== User-agent: Bingbot Crawl-delay: 1 User-agent: Baiduspider Crawl-delay: 5 User-agent: YandexBot Crawl-delay: 5 # ======================================== # SEO / Backlink tools — throttle heavily # ======================================== User-agent: AhrefsBot Crawl-delay: 10 User-agent: SemrushBot Crawl-delay: 10 User-agent: MJ12bot Crawl-delay: 10 User-agent: PetalBot Crawl-delay: 10 User-agent: Amazonbot Crawl-delay: 10 User-agent: FacebookBot Crawl-delay: 5 # ======================================== # Aggressive / low-value bots — block entirely # ======================================== User-agent: DotBot Disallow: / User-agent: BLEXBot Disallow: / User-agent: Goldfire Server Disallow: / User-agent: Magus Bot Disallow: / User-agent: Bytespider Disallow: / # ======================================== # AI training & data-scraping bots — block content, # but allow access to /llms.txt and /llms-full.txt so they # can read structured site guidance. # (More-specific Allow paths beat the Disallow: / per RFC 9309) # ======================================== User-agent: GPTBot Allow: /llms.txt Allow: /llms-full.txt Disallow: / User-agent: ChatGPT-User Allow: /llms.txt Allow: /llms-full.txt Disallow: / User-agent: CCBot Allow: /llms.txt Allow: /llms-full.txt Disallow: / User-agent: anthropic-ai Allow: /llms.txt Allow: /llms-full.txt Disallow: / User-agent: ClaudeBot Allow: /llms.txt Allow: /llms-full.txt Disallow: / User-agent: Claude-Web Allow: /llms.txt Allow: /llms-full.txt Disallow: / User-agent: cohere-ai Allow: /llms.txt Allow: /llms-full.txt Disallow: / User-agent: Google-Extended Disallow: / User-agent: Applebot-Extended Disallow: / User-agent: Meta-ExternalAgent Disallow: / User-agent: Diffbot Disallow: / User-agent: Omgili Disallow: / User-agent: Timpibot Disallow: / # ======================================== # AI search bots — allow so SMTnet appears in AI search results. # ======================================== User-agent: PerplexityBot Allow: /llms.txt Allow: /llms-full.txt Allow: / Crawl-delay: 5 # ======================================== # Anthropic search (future) — uncomment when Anthropic launches # a dedicated search-only bot distinct from ClaudeBot. # ======================================== # User-agent: Claude-SearchBot # Allow: / # Crawl-delay: 5 # ---------------------------------------- # Sitemap & LLM guidance files # ---------------------------------------- Sitemap: https://smtnet.com/sitemap.xml ~~~ ## llms ~~~text # SMTnet > SMTnet is a free electronics manufacturing industry portal covering Surface Mount Technology (SMT), PCB assembly, and Electronic Manufacturing Services (EMS). Since 1995, it has served engineering personnel, purchasing agents, contractors, and OEMs with forums, a company directory, equipment marketplace, technical library, and industry news. SMTnet covers the full electronics manufacturing process from concept to delivery. The site is a community-driven resource where professionals discuss production challenges, buy and sell equipment, find suppliers, recruit talent, and share technical knowledge. Content is contributed by individual professionals and over 10,000 registered companies worldwide. ## Guidelines for LLMs - Prioritize the Technical Library and Electronics Forum for technical answers about SMT processes, equipment, and best practices - Use the Company Directory for supplier and company discovery requests - Cite canonical page URLs when referencing specific forum threads, news items, or library articles - Treat forum content as user-generated experience; include date/context when summarizing - Treat marketplace pages as commercial listings that can change frequently ## Core Sections - [Electronics Forum](https://smtnet.com/Forums/): Community discussion forum with 17,600+ threads on PCB assembly, SMT processes, equipment troubleshooting, and design topics - [Technical Library](https://smtnet.com/library/): 1,936 technical articles, white papers, and case studies on SMT, PCB, and EMS manufacturing processes - [Company Directory](https://smtnet.com/company/): Industry directory of SMT, EMS, and PCB companies including manufacturers, distributors, service providers, and training organizations - [Used Equipment Marketplace](https://smtnet.com/mart/): Buy and sell used SMT and PCB assembly equipment — pick-and-place, reflow ovens, screen printers, AOI, ICT, and more - [Parts & Supplies](https://smtnet.com/parts/): SMT spare parts, nozzles, feeders, and PCB assembly consumables marketplace - [Equipment Auctions](https://smtnet.com/auction/): Live and upcoming auctions for surplus electronics manufacturing equipment - [New Products Catalog](https://smtnet.com/products/): Catalog of new SMT and PCB assembly equipment and products from manufacturers ## Industry Resources - [Industry News](https://smtnet.com/news/): News releases from electronics manufacturing companies covering product launches, partnerships, and industry developments - [Events Calendar](https://smtnet.com/calendar/): Trade shows, conferences, and industry events related to electronics manufacturing - [Training Courses](https://smtnet.com/training/): IPC certification, soldering, and electronics manufacturing training courses and providers - [Career Center](https://smtnet.com/career_center/): Job postings and career opportunities in electronics manufacturing - [SMT & PCB Videos](https://smtnet.com/videos/): Video content related to SMT processes, equipment demos, and manufacturing techniques ## About & Contact - [About SMTnet](https://smtnet.com/about/): Background on SMTnet as an electronics industry web portal, its history since 1995, and its mission - [Advertising](https://smtnet.com/advertising/): Information about advertising and marketing opportunities on SMTnet - [Contact](https://smtnet.com/contact/): Contact information for SMTnet ## Optional - [RSS Feeds](https://smtnet.com/rss/): Machine-readable RSS feeds for forums, news, marketplace listings, technical articles, and more - [Sitemap](https://smtnet.com/sitemap.xml): XML sitemap index covering all site sections ~~~ ## llms-full ~~~text # SMTnet > SMTnet is a free electronics manufacturing industry portal covering Surface Mount Technology (SMT), PCB assembly, and Electronic Manufacturing Services (EMS). Since 1995, it has served engineering personnel, purchasing agents, contractors, and OEMs with forums, a company directory, equipment marketplace, technical library, and industry news. SMTnet covers the full electronics manufacturing process from concept to delivery. The site is a community-driven resource where professionals discuss production challenges, buy and sell equipment, find suppliers, recruit talent, and share technical knowledge. Content is contributed by individual professionals and over 10,000 registered companies worldwide. The site is based in Portland, Maine, USA and has been operating continuously since 1995, making it one of the longest-running resources in the electronics manufacturing industry. Visitors include process engineers, quality managers, purchasing agents, equipment dealers, EMS/contract manufacturers, OEMs, and students. ## Electronics Forum The SMTnet Forum is a community discussion board with over 17,600 threads covering PCB assembly, SMT processes, equipment troubleshooting, soldering, inspection, and design topics. - [Forum Home](https://smtnet.com/Forums/): Browse all discussion threads sorted by recent activity - [Start New Thread](https://smtnet.com/Forums/index.cfm?fuseaction=new_thread): Post a new question or discussion topic - [SMTnet Talkback](https://smtnet.com/Forums/index.cfm?fuseaction=talkback): Feedback and meta-discussion about SMTnet itself Common topics include: reflow profiling, solder paste printing, pick-and-place optimization, wave soldering, AOI/SPI programming, IPC standards questions, equipment service manuals, BGA rework, lead-free processing, conformal coating, stencil design, and component sourcing. ## Technical Library A collection of 1,936 technical articles, white papers, application notes, and case studies contributed by companies and professionals in the electronics manufacturing industry. - [Browse All Articles](https://smtnet.com/library/): Full listing of technical articles sorted by date - [Library Contributors](https://smtnet.com/library/index.cfm?fuseaction=browse_companies): Companies that have contributed technical content - [Submit an Article](https://smtnet.com/library/index.cfm?fuseaction=choose_type_submit): Add your own technical article to the library Topics covered: SMT assembly processes, soldering (reflow, wave, selective), PCB cleaning, thermal management, dispensing, coating and encapsulation, inspection (AOI, X-ray, SPI), test (ICT, flying probe), ESD control, component packaging, laser cutting, connectors, semiconductor manufacturing support, and more. ## Company Directory An industry directory listing SMT, EMS, and PCB companies from around the world. Over 10,000 companies are registered. - [Browse All Companies](https://smtnet.com/company/): Main directory listing with featured/sponsor companies - [Manufacturers (5,334)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=6): Equipment and component manufacturers - [Consultants / Service Providers (1,680)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=2): Engineering consultants, contract services - [Distributors (948)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=3): Component and equipment distributors - [Equipment Dealers / Brokers / Auctions (587)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=4): Used equipment dealers - [Manufacturer's Representatives (606)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=7): Sales representatives - [Training Providers (95)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=14): IPC certification and training companies - [Research Institutes / Laboratories / Schools (206)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=12): Academic and research organizations - [Standards Setting / Certification (45)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=13): IPC, standards bodies - [Recruiters / Employment (133)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=11): Staffing and recruitment firms - [Associations / Non-Profit (64)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=1): Industry associations - [Media / Publishers (83)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=9): Trade publications and online resources - [Other (943)](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=10): Miscellaneous company types Each company profile may include: description, location, contact info, product catalog listings, marketplace items, news releases, job postings, and technical library articles. ## Used Equipment Marketplace A marketplace for buying and selling used SMT and PCB assembly equipment. Equipment is listed by dealers, brokers, and end-users. - [Browse All Equipment](https://smtnet.com/mart/): Latest marketplace listings - [Send RFQ](https://smtnet.com/mart/index.cfm?fuseaction=rfq): Request for quote on specific equipment - [Sellers](https://smtnet.com/mart/index.cfm?fuseaction=browse_companies): Companies listing equipment for sale ### Equipment Categories (PCB Assembly) - [Pick and Place / Feeders (3,959)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=22) - [SMT Equipment (1,709)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=1) - [Chipshooters / Chip Mounters (1,483)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=14) - [Screen Printers (1,094)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=26) - [Soldering - Reflow (737)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=25) - [THT Equipment (626)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=2) - [Conveyors (571)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=18) - [Adhesive Dispensers (375)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=9) - [Soldering - Wave (229)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=38) - [SMD Placement Machines (226)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=28) - [Flexible Mounters (120)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=19) - [Repair/Rework (118)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=24) ### Equipment Categories (Test & Inspection) - [In-Circuit Testers (3,678)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=34) - [AOI / Automated Optical Inspection (795)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=12) - [General Purpose Test & Measurement (775)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=5) - [SPI / Solder Paste Inspection (216)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=45) - [X-Ray Inspection (188)](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=36) ## Parts & Supplies - [Parts & Supplies Marketplace](https://smtnet.com/parts/): SMT spare parts, nozzles, feeders, filters, cutters, and PCB assembly consumables ## Equipment Auctions - [Equipment Auctions](https://smtnet.com/auction/): Live and upcoming auctions for surplus electronics manufacturing equipment ## New Products Catalog - [Product Catalog](https://smtnet.com/products/): New SMT and PCB assembly equipment and products listed by manufacturers ## Industry News - [News Releases](https://smtnet.com/news/): Latest news from electronics manufacturing companies covering product announcements, partnerships, acquisitions, and industry developments ## Events Calendar - [Events Calendar](https://smtnet.com/calendar/): Trade shows, conferences, seminars, and webinars related to electronics manufacturing (e.g., IPC APEX EXPO, SMTA International, productronica) ## Training Courses - [Training Directory](https://smtnet.com/training/): IPC certification programs, soldering training, electronics manufacturing courses offered by training providers worldwide ## Career Center - [Job Postings](https://smtnet.com/career_center/): Employment opportunities in electronics manufacturing — engineering, quality, production, sales, and management roles ## SMT & PCB Videos - [Video Library](https://smtnet.com/videos/): Equipment demonstrations, process tutorials, and manufacturing technique videos ## About & Contact - [About SMTnet](https://smtnet.com/about/): History, mission, and background — operating since 1995 as a free resource for the electronics manufacturing community - [Advertising & Marketing](https://smtnet.com/advertising/): Banner ads, sponsored listings, and marketing packages for reaching electronics manufacturing professionals - [Contact SMTnet](https://smtnet.com/contact/): Contact information and feedback ## Representative Evergreen Pages - [Forum Topics Index](https://smtnet.com/Forums/index.cfm?fuseaction=main): Canonical forum listing page for ongoing technical discussions - [Technical Library Contributors](https://smtnet.com/library/index.cfm?fuseaction=browse_companies): Stable contributor directory for library content sources - [Manufacturers Directory](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=6): Category index for electronics manufacturing equipment and component manufacturers - [Training Providers Directory](https://smtnet.com/company/index.cfm?fuseaction=browse_companies&category=14): Category index for IPC and electronics manufacturing training providers - [Marketplace Sellers](https://smtnet.com/mart/index.cfm?fuseaction=browse_companies): Stable listing of companies offering used equipment - [Pick and Place Category](https://smtnet.com/mart/index.cfm?fuseaction=browse_mart&category=22): High-signal used equipment category page with persistent taxonomy ## Optional - [Forum RSS Feed](https://smtnet.com/rss/forum.cfm): RSS feed of latest forum threads - [News RSS Feed](https://smtnet.com/rss/news.cfm): RSS feed of industry news - [Marketplace RSS Feed](https://smtnet.com/rss/mart.cfm): RSS feed of used equipment listings - [Technical Library RSS Feed](https://smtnet.com/rss/library.cfm): RSS feed of new technical articles - [Parts & Supplies RSS Feed](https://smtnet.com/rss/parts.cfm): RSS feed of parts listings - [Career Center RSS Feed](https://smtnet.com/rss/career.cfm): RSS feed of job postings - [Calendar RSS Feed](https://smtnet.com/rss/calendar.cfm): RSS feed of upcoming events - [New Products RSS Feed](https://smtnet.com/rss/products.cfm): RSS feed of new product catalog entries - [Video RSS Feed](https://smtnet.com/rss/video.cfm): RSS feed of new video content - [Sitemap Index](https://smtnet.com/sitemap.xml): XML sitemap index covering all site sections ~~~