--- title: Lapping and Polishing | Centerline Technologies description: Ultra-precision lapping, polishing, grinding, diamond sawing and laser machining of metals, ceramic, sapphire and other materials. --- [![Centerline Technologies](https://www.centerlinetech-usa.com/hs-fs/file-1050716576-png/images/Centerline-logo.png?width=429&height=71&name=Centerline-logo.png "Centerline Technologies")](https://www.centerlinetech-usa.com/) Search 978-568-1330 [![centerline on linkedin](https://www.centerlinetech-usa.com/hs-fs/file-1048401543-png/images/linkedin_64.png?width=30&name=linkedin_64.png "centerline on linkedin")](http://www.linkedin.com/company/centerline-technologies)[![centerline on google plus](https://www.centerlinetech-usa.com/hs-fs/file-1047278729-png/images/googplus_64.png?width=30&name=googplus_64.png "centerline on google plus")](https://plus.google.com/109195098502174891716/about) - [![the right materials](https://www.centerlinetech-usa.com/hs-fs/file-1255789846-png/images/slide-1.png "the right materials")](https://www.centerlinetech-usa.com/products) - [![process with precision](https://www.centerlinetech-usa.com/hs-fs/file-1255789851-png/images/slide-2.png "process with precision")](https://www.centerlinetech-usa.com/capabilities) - [![finished for success](https://www.centerlinetech-usa.com/hs-fs/file-1259421060-png/images/slide-3.png "finished for success")](https://www.centerlinetech-usa.com/customers) [Request a Quote](https://www.centerlinetech-usa.com/quote) [Technical Support](https://www.centerlinetech-usa.com/support) Looking to buy from a selection of in-stock, finished materials? [![Shop Our Store](https://no-cache.hubspot.com/cta/default/30911/6915068c-a0d9-43b2-bc0c-8cd09b23b77b.png)](https://cta-redirect.hubspot.com/cta/redirect/30911/6915068c-a0d9-43b2-bc0c-8cd09b23b77b) ---  View our ISO Certification: [![CLT-ISO 900 2015 Certificate Valid til 4-23-2026](https://www.centerlinetech-usa.com/hs-fs/hubfs/CLT-ISO%20900%202015%20Certificate%20Valid%20til%204-23-2026.png?width=816&height=1041&name=CLT-ISO%20900%202015%20Certificate%20Valid%20til%204-23-2026.png)](https://www.centerlinetech-usa.com/hubfs/CLT-ISO%20900%202015%20Certificate%20Valid%20tiil%20APR%2023%20%202026.pdf)   --- Centerline's CAGE Code: 6JYX8   # Lapping and Polishing, and Ultra-Precision Surface Finishing Centerline Technologies provides ultra-precision services for grinding, lapping, polishing, diamond sawing and laser machining of metals, ceramic, sapphire and other materials — for the telecommunication, semiconductor, communication, test & measurement, micro-electronic, defense and security industries. [![Centerline Lapping](https://www.centerlinetech-usa.com/hs-fs/file-1198753436-jpg/Centerline_images/Homepage_pictures/Centerline-Lapping.jpg "Centerline Lapping")](https://www.centerlinetech-usa.com/lapping) ## [Lapping](https://www.centerlinetech-usa.com/lapping) The lapping process is used to provide flatness, parallelism, thickness identity, and surface finishes to extremely demanding tolerances. [![Polishing Substrates](https://www.centerlinetech-usa.com/hs-fs/file-1202485650-jpg/Centerline_images/Homepage_pictures/Polishing-Substrates.jpg "Polishing Substrates")](https://www.centerlinetech-usa.com/polishing) ## [Polishing](https://www.centerlinetech-usa.com/polishing) Centerline uses both mechanical and chemical mechanical process (CMP) to meet the polishing needs of our customers. [![Filled Via Planarity](https://www.centerlinetech-usa.com/hs-fs/file-1187424883-jpg/Centerline_images/Homepage_pictures/Filled-Via_2.jpg "Filled Via Planarity")](https://www.centerlinetech-usa.com/filled-via) ## [Filled Via Planarity](https://www.centerlinetech-usa.com/filled-via) We specialize in making filled via's co-planar with surface substrate. [![Diamond Sawing](https://www.centerlinetech-usa.com/hs-fs/file-1188315509-jpg/Centerline_images/Homepage_pictures/Diamond-Sawing.jpg "Diamond Sawing")](https://www.centerlinetech-usa.com/diamond-sawing) ## [Wafer Dicing / Diamond Sawing](https://www.centerlinetech-usa.com/diamond-sawing) Centerline offers diamond machined edges, bevels, V grooves and chamfers per your specifications. [![Laser machining on ceramics](https://www.centerlinetech-usa.com/hs-fs/file-1193629312-jpg/Centerline_images/Homepage_pictures/Laser-machining-on-ceramics-1.jpg "Laser machining on ceramics")](https://www.centerlinetech-usa.com/laser-machining) ## [Laser Machining](https://www.centerlinetech-usa.com/laser-machining) Centerline can laser drill, scribe or cut a variety of substrates to your specifications. [![Centerline Specialty processes](https://www.centerlinetech-usa.com/hs-fs/file-1187885189-jpg/Centerline_images/Homepage_pictures/Centerline-Specialty-processes-1.jpg "Centerline Specialty processes")](https://www.centerlinetech-usa.com/specialty-processes) ## [Specialty Processes](https://www.centerlinetech-usa.com/specialty-processes) Centerline develops processes for different materials, such as ferrites and glass interposers.  [![Centerline Polished Ceramic](https://www.centerlinetech-usa.com/hs-fs/file-1193419155-jpg/Centerline_images/Homepage_pictures/Centerline-Polished-Ceramic.jpg?width=140&name=Centerline-Polished-Ceramic.jpg "Centerline Polished Ceramic")](https://www.centerlinetech-usa.com/products) ## [Products](https://www.centerlinetech-usa.com/products) Centerline sells a variety of materials in different sizes. If we don't have what you need we're willing to help you find it! [![Centerline Technical Data](https://www.centerlinetech-usa.com/hs-fs/file-1187729609-jpg/Centerline_images/Homepage_pictures/Centerline-Technical-Data.jpg?width=140&name=Centerline-Technical-Data.jpg "Centerline Technical Data")](https://www.centerlinetech-usa.com/technical-data) ## [Technical Data](https://www.centerlinetech-usa.com/technical-data) We have compiled many useful resources to help answer your difficult questions! We take pride in seeing our customers accomplish great things and we recognize that it can’t be done without great parts. At Centerline, we dedicate ourselves to your success by providing the best services possible.  ### [Products](https://www.centerlinetech-usa.com/products) [Alumina](https://www.centerlinetech-usa.com/alumina) [BeO ](https://www.centerlinetech-usa.com/beo) [Aluminum Nitride ](https://www.centerlinetech-usa.com/aluminum-nitride-aln) [Fused Silica/Quartz ](https://www.centerlinetech-usa.com/fused-silica-quartz) [Sapphire ](https://www.centerlinetech-usa.com/sapphire)[Shop Our Store](https://shop.centerlinetech-usa.com/) ### [Capabilities](https://www.centerlinetech-usa.com/capabilities) [Lapping](https://www.centerlinetech-usa.com/lapping) [Polishing](https://www.centerlinetech-usa.com/polishing) [Filled Via Planarity](https://www.centerlinetech-usa.com/filled-via) [Diamond Sawing](https://www.centerlinetech-usa.com/diamond-sawing) [Laser Machining](https://www.centerlinetech-usa.com/laser-machining) [Specialty Processes ](https://www.centerlinetech-usa.com/specialty-processes)[Quality Control](https://www.centerlinetech-usa.com/quality-control) [Small Quantities](https://www.centerlinetech-usa.com/small-batches-and-prototyping) ### [Technical Data](https://www.centerlinetech-usa.com/technical-data) [Conversion Tool](https://www.centerlinetech-usa.com/conversion) ### [About Us](https://www.centerlinetech-usa.com/about) [Why Polish Substrates?](https://www.centerlinetech-usa.com/why-polish-substrates-centerline-technologies) [Customers](https://www.centerlinetech-usa.com/customers) [News ](https://www.centerlinetech-usa.com/news)[Q](https://www.centerlinetech-usa.com/news)[uality Control ](https://www.centerlinetech-usa.com/quality-control)[C](https://www.centerlinetech-usa.com/quality-control)[areers](https://www.centerlinetech-usa.com/careers) ### [Contact](https://www.centerlinetech-usa.com/contact) **Centerline** **Technologies, LLC** 577 Main Street Suite 270 Hudson, MA 01749 Call: 978-568-1330 Fax: 978-568-1334 [![spie](https://www.centerlinetech-usa.com/hs-fs/file-13703097-gif/images/spie_logo.gif?width=188&height=45&name=spie_logo.gif "spie")](http://spie.org) [![ASM](https://www.centerlinetech-usa.com/hs-fs/file-13702755-png/images/asm_em_logo.png "ASM")](http://asminternational.org) [![The American Ceramic Society](https://www.centerlinetech-usa.com/hs-fs/file-1058396430-png/images/american-ceramic-soc.png "The American Ceramic Society")](http://www.ceramics.org/) [![imaps.com](https://www.centerlinetech-usa.com/hs-fs/file-1058396425-png/images/imaps.png?width=55&name=imaps.png "imaps.com")](http://www.imaps.org/) ![We-accept-cards.jpg](https://www.centerlinetech-usa.com/hubfs/Centerline_images/Blog_Photos/We-accept-cards.jpg "We-accept-cards.jpg") End-to-End Encryption, Powered by Worldpay