# Photovoltaics & Applications | Ooitech Technical Blog > Cell and module technology explained: TOPCon, BC, HJT and perovskite routes, the materials used, the machines that build them and the process behind every watt. - [All Articles](Blog.html) - [Energy Storage & Applications 4](./Energy-Storage.html) - [Photovoltaics & Applications 118](./Photovoltaics.html) - [Electrical & Fundamentals 23](./Electrical-Fundamentals.html) - [Industry & Insights 22](./Industry-Insights.html) ## Our Latest Photovoltaics & Applications ![Solar Cell vs Solar Panel: What Machine Names Don't Say](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026091724895267.webp) - [** Jerry](./solar-cell-vs-solar-panel-manufacturing.html) - [** 272 Views](./solar-cell-vs-solar-panel-manufacturing.html) ### Solar Cell vs Solar Panel: What Machine Names Don't Say Solar cells and solar panels come from two different plants. How to tell which o··· ![Laminator Vacuum Pumps: Types and the EVA Window](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026032517892939.webp) - [** Jerry](./laminator-vacuum-pumps-types-and-eva-window.html) - [** 292 Views](./laminator-vacuum-pumps-types-and-eva-window.html) ### Laminator Vacuum Pumps: Types and the EVA Window Why rotary vane, Roots and dry screw pumps are combined on a solar laminator, an··· ![Why Solar Panel Glass Is Textured, Not Smooth](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_20260920178988925271.webp) - [** Jerry](./why-solar-panel-glass-is-textured.html) - [** 271 Views](./why-solar-panel-glass-is-textured.html) ### Why Solar Panel Glass Is Textured, Not Smooth Module glass carries a textured outer face and an embossed inner pattern for thr··· ![BC Cell Technology Roadmap: Structure to Process](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_20260920178988816793.webp) - [** Jerry](./bc-cell-technology-roadmap-structure-to-process.html) - [** 275 Views](./bc-cell-technology-roadmap-structure-to-process.html) ### BC Cell Technology Roadmap: Structure to Process IBC, TBC, HBC and HIBC full forms, what each acronym means, and why the 2026 BC ··· ![TOPCon vs BC Solar Cells: A Backside Comparison](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026091917898863251.webp) - [** Jerry](./topcon-vs-bc-solar-cell-backside-comparison.html) - [** 266 Views](./topcon-vs-bc-solar-cell-backside-comparison.html) ### TOPCon vs BC Solar Cells: A Backside Comparison The backside photograph shows why BC trades bifaciality for front efficiency, an··· ![Snail Trails on Solar Panels: Causes and Prevention](https://cdn.ooitech.com/static/upload/image/20260324/1774351828780428_w800.webp) - [** Jerry](./snail-trails-on-solar-panels-causes-and-prevention.html) - [** 293 Views](./snail-trails-on-solar-panels-causes-and-prevention.html) ### Snail Trails on Solar Panels: Causes and Prevention A grey trail along a cell crack is usually cosmetic, the crack is not. What form··· ![Tabber and Stringer Machine: How It Works, How to Choose](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026091745213198.webp) - [** Margret](./tabber-and-stringer-machine-how-it-works-how-to-choose.html) - [** 362 Views](./tabber-and-stringer-machine-how-it-works-how-to-choose.html) ### Tabber and Stringer Machine: How It Works, How to Choose How a tabber and stringer machine turns cells into strings — six stations, IR so··· ![Solar Panel Manufacturing Process: 10 Steps and Machines](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026091712441521.webp) - [** Jerry](./solar-panel-manufacturing-process-10-steps-and-machines.html) - [** 437 Views](./solar-panel-manufacturing-process-10-steps-and-machines.html) ### Solar Panel Manufacturing Process: 10 Steps and Machines The solar panel manufacturing process in 10 steps — every machine, cycle time, p··· ![How to Choose the Right Solar Module Laminator](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026090914395529.webp) - [** Margret](./how-to-choose-the-right-solar-module-laminator.html) - [** 284 Views](./how-to-choose-the-right-solar-module-laminator.html) ### How to Choose the Right Solar Module Laminator Comprehensive technical guide on how to select the right solar module laminator,··· ![Not Every Laminate Bubble Is](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_3cd78b60d1c1be47fe2b810d7a4281ba.webp) - [** Jerry](./not-every-laminate-bubble-is-the-encapsulants-fault-the-real-causes-behind-solar-module-bubbles.html) - [** 402 Views](./not-every-laminate-bubble-is-the-encapsulants-fault-the-real-causes-behind-solar-module-bubbles.html) ### Not Every Laminate Bubble Is Laminate bubbles are the most common defect in solar module encapsulation. This ··· ![What Counts as a Truly Lightweight Solar Module?](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_c6eb2b0fd27d4f388f80ac4d9459df0c.webp) - [** Jerry](./what-counts-as-a-truly-lightweight-solar-module-a-look-at-rigid-light-panels.html) - [** 354 Views](./what-counts-as-a-truly-lightweight-solar-module-a-look-at-rigid-light-panels.html) ### What Counts as a Truly Lightweight Solar Module? A practical breakdown of lightweight solar modules for weak rooftops and structu··· ![Thinner Silicon Wafers vs. 25-30 Year Module Life: Can](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_7bd6ea1daef96d874d12b7c3701ca062.webp) - [** Jerry](./thinner-silicon-wafers-vs-25-30-year-module-life-can-both-survive.html) - [** 314 Views](./thinner-silicon-wafers-vs-25-30-year-module-life-can-both-survive.html) ### Thinner Silicon Wafers vs. 25-30 Year Module Life: Can Silicon wafers keep getting thinner in 2026, from 150-160μm down to 110-130μm. H··· - [**](/Photovoltaics_3.html) - [**](/Photovoltaics_5.html) ![](/template/ooitech/assets/img/shape/06.png) ![](https://cdn.ooitech.com/runtime/image/w800_h700_fitblur_v2_w800_h700_fitblur_v2_1757399770541443.webp) ### Request A Quote All uploads are secure and confidential. ## We deliver expertise you can trust our service Direct-from-Factory Equipment. ![](/template/ooitech/assets/img/icon/money-2.svg) ### Cost-Effective Advantages We deliver exceptional value, maximizing results while optimizing budgets for clients. ![](/template/ooitech/assets/img/icon/staff.svg) ### Our Experience Team Our skilled professionals specialize in innovative solutions and tailored strategies. ![](/template/ooitech/assets/img/icon/certified.svg) ### 15+ Years Industry Experience Deep expertise ensures reliable, trend-aware, and proven outcomes for success. ![](https://cdn.ooitech.com/static/upload/image/20250910/1757477357667605.webp ) ![](https://cdn.ooitech.com/static/upload/image/20250910/1757477724911512.webp) ![](/template/ooitech/assets/img/shape/06.png) ## What Our Client Say's about us Client testimonials praise our deep understanding of their challenges, which leads to innovative solutions and strong ROI. 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The kindest person and professional in his field ![](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026041716444445.webp) ### Jizzakh Polytechnic Institute ![](/template/ooitech/assets/img/icon/quote.svg) Thanks to Ooitech for providing highly suitable BC solar cell experimental equipment. ![](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1776426122864564.webp) ### KTECH ![](/template/ooitech/assets/img/icon/quote.svg) Thank you again so much again for the very big big help for improving and fixing the factory and also teaching the workers how to use the machines ![](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1757479675272137.webp) ### Mark BIPV Philippines ![](/template/ooitech/assets/img/icon/quote.svg) Thanks to Ooitech for providing the fully automated production equipment—your installation and after-sales service have been excellent. ![](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026041720921238.webp) ### Amjad ![](/template/ooitech/assets/img/icon/quote.svg) thank you for ooitech's professional support and on time after service. ![](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1784509010217979.webp) ### Diarra From Africa ## Our Latest Products ![Solar Panel Production Line: Configurations from 5 MW to 1 GW](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026032510951634.webp) - [** ooitech](./solar-panel-production-line.html) - [** 99](./solar-panel-production-line.html) ### Solar Panel Production Line: Configurations from 5 MW to 1 GW Solar panel production line guide: stations, semi-automatic vs automatic, 5 MW to 1 GW configurations, layout, utilities, staffing and RFQ tips. ![OPT-M960B EL & VI Tester: 0.1mm/pixel, Intel i7](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1774351816741704.webp) - [** Rachael](./solar-panel-el-tester-and-vi-tester-machine-opt-m960b-m951b-m950b-ooitech-solar-module-el-testing-equipment.html) - [** 43886](./solar-panel-el-tester-and-vi-tester-machine-opt-m960b-m951b-m950b-ooitech-solar-module-el-testing-equipment.html) ### OPT-M960B EL & VI Tester: 0.1mm/pixel, Intel i7 Ooitech offers professional solar panel EL tester and VI tester machines (OPT-M960B, OPT-M951B, OPT-M950B) with SONY industrial cameras ![SC-20A Full Automatic Solar Cell Laser Cutting Machine](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1772440338787287.webp) - [** ooitech](./SC-20A-Full-Automatic-Solar-Cell-Laser-Cutting-Machine-High-Precision-Scribing-Breaking-Solution.html) - [** 80264](./SC-20A-Full-Automatic-Solar-Cell-Laser-Cutting-Machine-High-Precision-Scribing-Breaking-Solution.html) ### SC-20A Full Automatic Solar Cell Laser Cutting Machine SC-20A full automatic laser cutting machine for solar cells and silicon wafers, featuring 1500 cells/hour capacity, ±100um positioning accuracy ![Solar Cells for PV Modules](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1774581692247238.webp) - [** Rachael](./Professional-Solar-Cell-Solutions-for-Modern-PV-Panel-Manufacturing-Ooitech.html) - [** 71578](./Professional-Solar-Cell-Solutions-for-Modern-PV-Panel-Manufacturing-Ooitech.html) ### Solar Cells for PV Modules Solar cell processing equipment for PERC, TOPCon, HJT & BC cells – cutting, stringing, testing. 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