--- page_id: wsd-metal-and-module-selection-for-run3-97450492 type: context-page schema_version: 1 template_id: discord-page template_version: template-0.1.0 title: "Thread: Metal- and Module Selection for Run3" slug: wsd-metal-and-module-selection-for-run3-97450492 route: /evidence/i-information/questions/threads/metal-and-module-selection-for-run3 section: reference access: public summary: 9 Discord messages from ℹ️ - Information/⁉️-questions/threads/metal-and-module-selection-for-run3.md. status: published asset_base: . home_href: / md_url: /evidence/i-information/questions/threads/metal-and-module-selection-for-run3.md toc_enabled: true talk_enabled: false agent_view_enabled: true copy_buttons_enabled: true footer_enabled: true search_indexed: true tags: [discord, wafer-space, archive] last_updated: 2026-08-19 talk_url: /evidence/i-information/questions/threads/metal-and-module-selection-for-run3.talk.md talk_route: /evidence/i-information/questions/threads/metal-and-module-selection-for-run3/talk --- # Thread: Metal- and Module Selection for Run3 Category: **ℹ️ - Information** Parent channel: **#⁉️-questions** Thread ID: `1534999803979632691` Messages: **9** ## message-1534999803979632691 **2026-08-06T19:01:12.186+00:00 — Lukas (@lukas_88179)** - Message ID: `1534999803979632691` - Author ID: `1534980349673738311` - Nickname: Lukas - User name: lukas_88179 - Type: `Default` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1534999803979632691 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Content** ````text Is the exact metal code and module selection for run 3 documented anywhere? On the Crowd Supply page, I can only find the code `1P5M26ML`, so 5 metal layers, but I can't find any reference to `26ML` anywhere in the PDK. From my understanding, all of the following modules must be specified for a gf180mcu run to be fully defined: ``` ============================================================================== | Metal Stack | Top Metal | MIM Layer | MIM Cap | PHRES | nVt NMOS | |=============|===========|===========|===========|=============|============| | 1P5M | 6KA | no MIM | no MIM | no PHRES | no nVtNMOS | | | 9KA | Option A | 1.5fF/um2 | 1000 ohm/sq | nVtNMOS | | | 11KA | Option B | 1.0fF/um2 | 2000 ohm/sq | | | | 30KA | | 2fF/um2 | 3000 ohm/sq | | ============================================================================== ``` Has anyone come across this before or has any information about it? ````
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--- ## message-1535002786226241636 **2026-08-06T19:13:03.209+00:00 — tnt (@246tnt)** - Message ID: `1535002786226241636` - Author ID: `596068704471482370` - Nickname: tnt - User name: 246tnt - Type: `Default` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535002786226241636 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Content** ```text 26ML just mean it has 26 Mask Layers. ```
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--- ## message-1535003172249014412 **2026-08-06T19:14:35.244+00:00 — tnt (@246tnt)** - Message ID: `1535003172249014412` - Author ID: `596068704471482370` - Nickname: tnt - User name: 246tnt - Type: `Default` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535003172249014412 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Content** ```text * 11KA * MiM Option B * 2 fF/um^2 * 1000 ohm/sq ```
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--- ## message-1535004067732918506 **2026-08-06T19:18:08.744+00:00 — Lukas (@lukas_88179)** - Message ID: `1535004067732918506` - Author ID: `1534980349673738311` - Nickname: Lukas - User name: lukas_88179 - Type: `Default` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535004067732918506 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Content** ```text Thanks! Did you find that somewhere on the wafer.space site? ```
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--- ## message-1535007129876959442 **2026-08-06T19:30:18.816+00:00 — tnt (@246tnt)** - Message ID: `1535007129876959442` - Author ID: `596068704471482370` - Nickname: tnt - User name: 246tnt - Type: `Default` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535007129876959442 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Content** ```text No, just from previous discussions here ... ``` **Reactions** - Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08_media/1f44d-27259.svg - Resolved media URL: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08_media/2-ADBB4.png
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--- ## message-1535352012021964941 **2026-08-07T18:20:45.127+00:00 — namibj** - Message ID: `1535352012021964941` - Author ID: `262706220073222144` - Nickname: namibj - User name: namibj - Type: `Reply` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535352012021964941 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Reply/reference** - https://discord.com/channels/1361349522684510449/1534999803979632691/1534999803979632691
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**Content** ```text oh, nvt NMOS is allowed as well. Extraction for thin oxide ones is maybe still not available; but worse, there are no SPICE yet for thin oxide nvt NMOS. ```
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--- ## message-1535465762494480414 **2026-08-08T01:52:45.353+00:00 — Tim 'mithro' Ansell (@mithro_)** - Message ID: `1535465762494480414` - Author ID: `169786952432746498` - Nickname: Tim 'mithro' Ansell - User name: mithro_ - Type: `Default` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535465762494480414 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Content** ```text There is no thin oxide on GF180MCU, only thick oxide and thicker oxide IIRC ```
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--- ## message-1535466001200578560 **2026-08-08T01:53:42.265+00:00 — namibj** - Message ID: `1535466001200578560` - Author ID: `262706220073222144` - Nickname: namibj - User name: namibj - Type: `Default` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535466001200578560 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Content** ```text well, yeah, afaik all the gf180 options never offer more than two thicknesses at once, thus if there's even a difference available, there'll be a "thin" and a "thick" with local meaning. ```
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--- ## message-1535466368936452277 **2026-08-08T01:55:09.94+00:00 — Tim 'mithro' Ansell (@mithro_)** - Message ID: `1535466368936452277` - Author ID: `169786952432746498` - Nickname: Tim 'mithro' Ansell - User name: mithro_ - Type: `Reply` - Discord message: https://discord.com/channels/1361349522684510449/1534999803979632691/1535466368936452277 - Archive source: https://discord.wafer.space/wafer-space/%E2%84%B9%EF%B8%8F%20-%20Information/%E2%81%89%EF%B8%8F-questions/metal-and-module-selection-for-run3/2026-08/2026-08.json **Reply/reference** - https://discord.com/channels/1361349522684510449/1534999803979632691/1535466001200578560
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**Content** ```text I think you might be right there. ```
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